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Required knowledge: International Environmental Law

Learning objectives:

  1. Discern the multifaceted implications of climate change from various lenses including biophysical, socioeconomic, and political perspectives, to appreciate the complexities involved in formulating international legal responses.
  2. Identify the core principles of international climate change law, the major stakeholders, their interests, and the inherent political challenges, utilizing the terminology specific to the UNFCCC.
  3. Understand the development, functionality, and criticisms of the main mechanisms in the international climate change treaty regime, incorporating historical context and current scholarship in the field.
  4. Understand how climate change law interacts with other areas of international law, with a particular focus on multilateral environmental agreements and human rights law, and how these intersections can enhance climate change mitigation and adaptation strategies.
  5. Critically examine the potential opportunities, challenges, and the role of international climate change law in achieving climate justice, integrating contemporary literature and ongoing debates in the field.

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A. Introduction

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[T]he climate crisis is so violent and has exacerbated so much injustice […] It is not only the biggest challenge humanity has ever faced but also the biggest opportunity we have to change the world. – Xiye Bastida, Climate Justice Activist.[2]

Today, we know with high certainty that the emission of greenhouse gases (GHG) into the atmosphere, a consequence of human activities, has warmed the climate at an unprecedented rate.[3] By altering the composition of the global atmosphere, such anthropogenic release of gases has induced a change in the state of the climate over extended periods, a phenomenon known as "climate change."[4] In its most recent Sixth Assessment Report (AR6), the Intergovernmental Panel on Climate Change (IPCC)—the lead scientific body on climate change—attests that climate change is already affecting every region across the globe by altering the frequency and intensity of heatwaves, heavy precipitations, droughts, and tropical cyclones.[5] Concerningly, the report's projection about a continuous increase in the global surface temperature until mid-century has become increasingly evident.[6] This claim has been further corroborated by a recent update from the World Meteorological Organization (WMO) issued in May 2023.[7] The WMO states that there is a 66% likelihood that the annual average global temperature, measured near the Earth's surface, will exceed 1.5°C above pre-industrial levels for at least one year between 2023 and 2027. Additionally, it indicates a 98% likelihood that at least one of the next five years—and the overall five-year period—will be the warmest on record. In the face of such compelling evidence, it becomes crucial to drastically reduce GHG emissions in the forthcoming decades. Otherwise, the global warming threshold of 1.5°C and 2°C could be exceeded within the 21st century, ushering in a host of serious risks to both ecosystems and human societies.[8]

Climate change's complexities extend beyond the simple correlation between human-induced emissions and an amplified greenhouse effect—on which the IPCC concentrated in its earliest reports.[9] This issue is intertwined with how current socioeconomic and political systems function and distribute resources.[10] For instance, while the top 10% of the global population is responsible for half of all CO2 emissions, the bottom 57%—those living below the World Bank poverty line—generated only 16%. These vulnerable groups, often marginalized due to gender, race, or ethnicity, are disproportionately impacted by climate change due to limited coping mechanisms and resources. [11] Indeed, between 2010 and 2020, such populations suffered 15 times higher mortality from climate-induced disasters than those in less vulnerable regions.[12] Consequently, climate change—a 'wicked problem,' as some have famously labeled it[13]—demands deep and fast transformations not only in the environmental sphere but also in how the current social, economic, and even political systems work.

To confront this global problem, the international community responded by establishing a multilateral climate change regime to mitigate and adapt to climatic changes.[14] Initiated by the 1990 United Nations General Assembly (UNGA) Resolution 45/212, the United Nations Framework Convention on Climate Change (UNFCCC) became the bedrock for contemporary international climate change law.[15] This Convention serves as the foundational framework through which climate change has been comprehended and incorporated into the legal arena. It articulates the core concepts and principles related to climate change and provides a platform for other legislative instruments that contribute to the evolving international climate change regime. Over time, this regime has experienced transformations in its legal form, character, and architecture. It has walked away from its original niche in environmental law to, for some commentators, even forge its own identity[16] and interconnect with other fields of law, such as human rights and financial law.[17] However, with the global temperature trajectory surpassing 2°C, the efficacy of such laws is under scrutiny. Meanwhile, young activists[18]—including Xiye Bastida, a climate justice activist from Mexico, and Greta Thunberg, the young founder of #FridaysForFuture[19]—are advocating for a carbon-free world. Hence, the study of international climate change law should critically assess its potential and constraints in tackling climate change. This chapter aims to provide an overview of the UNFCCC, the Kyoto Protocol, and the Paris Agreement, while emphasizing the deeply rooted socioeconomic and political systems that contribute to climate change. It seeks to foster critical thinking in overcoming the limits of international climate change law and realizing the change young activists envision.

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I. Concepts, Mechanisms, and Principles

1. Concepts

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The core objective of international climate change law, as established by Article 2 of the UNFCCC, is ‘to achieve […] stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system.’[20] To accomplish this, much of international climate change law spans two different sets of actions: mitigation and adaptation. On the one hand, human interventions aimed at mitigating climate change seek to reduce GHG emissions, including preserving carbon sinks such as wetlands and forests.[21] And on the other, adaptation involves actions geared at adjusting to the actual or expected climate and its effects.[21]

Example for Climate Mitigation – E-mobility in India: Oil-based road transportation is India's third highest GHG-emitting sector, contributing about 13% of the country's total CO2. To avoid 9.5 million tons of GHG from this sector, in 2022, the Green Climate Fund approved a project that will promote the use of electric vehicles, thereby supporting India's e-mobility transition.[22] Electric cars emit fewer GHG and air pollutants directly and indirectly than petrol and diesel cars.[23]

Example for Climate Adaptation – Climate proofing food production in Burundi: Extreme floods and droughts are expected to intensify in Burundi, making the country's agricultural yield decline by 5-25% in the coming decades.[24] To increase agricultural productivity and food security amidst such detrimental climatic projections, in 2020, the Green Climate Fund approved a project aimed at building farmers' resilience to climate change by promoting the adoption of agroecosystem management practices to conserve soil and water resources.[25]


Commitments under the UNFCCC concern both mitigation and adaptation. They span the development of programs, international cooperation, education, and public awareness. For example, Article 4 of the Convention sets out that all parties shall

‘[f]ormulate, implement, publish and regularly update national and, where appropriate, regional programmes containing measures to mitigate climate change by addressing anthropogenic emissions by sources and removals by sinks of all greenhouse gases […] and measures to facilitate adequate adaptation to climate change.’[26]

However, despite the dual emphasis of the Convention, during the first decade of the UN climate regime, efforts concentrated mainly on mitigation.[27] This is reflected in the fact that the first legally binding instrument that arose from the Convention, the 1997 Kyoto Protocol, prescribed specific GHG mitigation targets and timetables while not laying the same focus on climate adaptation.[28] It was not until the Convention’s second legally binding instrument, the 2015 Paris Agreement, that the UNFCCC climate regime strengthened the importance of climate adaptation by agreeing to define a global goal on adaptation.[29]

2. Implementation and Oversight Mechanisms

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The UNFCCC established a Conference of the Parties (COP) and a permanent secretariat which facilitate negotiations.[30] Article 7 of the UNFCCC confers on the COP the status of the supreme body of the Convention and the duty to keep its implementation under regular review.[31] The COP meets every year. The first COP meeting (COP1) was held in Berlin, Germany in March, 1995.[32] The latest meeting (COP27) took place in Sharm el-Sheikh, Egypt in November 2022.[32] Further, Article 8 of the Convention set a secretariat to make arrangements for the COP meetings, facilitate assistance to the parties, and ensure coordination with the secretariats of other relevant international bodies, among other functions.[33] The secretariat is located in Bonn, Germany and employs around 450 staff from over 100 countries.[34]

Besides these institutions, other issues structural to the international climate change regime are its means of implementation, namely its financial and oversight mechanisms.[27] The UNFCCC climate regime sets the commitment for developed countries to provide financial resources to developing countries as an instrumental measure to advance climate action.[35] Because meeting the costs of mitigation and adaptation is instrumental for accomplishing the regime’s objectives, the parties to the Convention have agreed on establishing a financial mechanism and special funds to facilitate the flow of resources. The operating entities of the financial mechanism set by the UNFCCC are the Global Environmental Facility (GEF) and the Green Climate Fund (GCF).[36] Special funds complement the primary mechanism and support specific countries and projects through the Special Climate Change Fund, the Least Developed Countries Fund, and the Adaptation Fund.[36]

The UNFCCC climate regime has also created oversight mechanisms to ensure implementation and compliance. The Convention requires states to periodically communicate their mitigation and adaptation measures' progress as a general means for promoting accountability.[37] The Kyoto Protocol and the Paris Agreement set their implementation frameworks, as the following sub-sections of this chapter will elaborate.

3. Principles

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Principles form the bedrock of international climate change law, with roots in general and international environmental law.These principles encompass the no-harm rule, its complementary obligation of due diligence, and the principle of common but differentiated responsibility (CBDR).[38]

The no-harm rule, a cornerstone of international environmental law, obliges states to ensure activities within their jurisdiction don't harm the environment of other states or areas beyond national jurisdiction.[39] The 1972 Stockholm Declaration of the UN Conference on the Human Environment and the 1992 Rio Declaration on Environment and Development set the responsibility of states to ensure that activities within their jurisdiction do not cause damage to the environment of other states or areas beyond the limits of national jurisdictions.[40] The International Court of Justice (ICJ) emphasizes this obligation as requiring states to take appropriate measures to prevent harm to other states' environment or the global commons, linking it with the due diligence principle. The latter demands that states enforce preventive measures with a certain level of vigilance over both public and private operators.[41] The UNFCCC broadens the scope of the no-harm rule, incorporating potential harms lacking full scientific certainty—embracing the precautionary principle outlined in Principle 15 of the Rio Declaration.[42]

The CBDR principle, initially codified in the Rio Declaration[43] and subsequently adopted by the UNFCCC,[44] acknowledges shared yet differing responsibilities among states for preventing harmful interference with the climate system. This principle takes into account historical contributions to the problem and current capacities to respond, thus accounting for national and regional development priorities, objectives, and circumstances.[45]

Advanced: How does the CBDR principle reflect in the UNFCCC and the Kyoto Protocol?

The UNFCCC epitomizes the CBDR principle by distinguishing between 'Annex I’ and ‘non-Annex I’ countries. The former group comprises the so-called 'developed countries,' which have contributed the most to climate change and thus bear the bulk of responsibility for its mitigation and adaptation. The latter group includes 'developing countries,' whose contribution to climate change has not been as significant and yet are particularly vulnerable to it.[46] Similarly, the Kyoto Protocol takes on such principle by assigning Annex I countries quantified emission reduction commitments (inscribed in the Protocol's Annex B), which do not apply to non-Annex I parties. The map differentiates between Annex I and non-Annex I countries.[47]


II. Stakeholders and Politics

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While states have traditionally led international climate change law development, both intergovernmental organizations and non-state actors have gained influence within the UNFCCC, participating actively in Conferences of Parties (COPs).[48] Their rise in prominence has, directly or indirectly, impacted the trajectory of international climate change law.[48] These non-state actors or NGOs, including nonprofit organizations, private corporations, trade unions, and academic institutions,[49] have seen their participation within the UNFCCC process increase. Currently, they are grouped into nine constituencies: Business and industry NGOs (BINGO), Environmental NGOs (ENGO), Farmers, Indigenous peoples organizations (IPO), Local government and municipal authorities (LGMA), Research and independent NGOs (RINGO), Trade union NGOs (TUNGO), Women and Gender (WGC), and Youth NGOs (YOUNGO).[50]

Advanced: Cumulative increase in the number of IGOs ad NGOs that have been admitted by the COP as observer organizations to the UNFCCC process
[51]

The IPCC, established in 1988, is another key player. This body of 195 governments provides scientific data on climate change, informing international climate negotiations.[52] To date, six assessment reports (AR) highlighting critical areas for climate action have been issued.[53] AR1 was issued in 1990, and the most recent AR6 was in 2022.[53] The work of the IPCC thereby constitutes an essential input for international climate change negotiations.[54]

The varying interests and concerns colliding in the UNFCCC process, due to the diverse participants, expose the political complexities challenging international climate change law. Three distinct perspectives on climate change have emerged amongst these actors.[55] Some, mainly European states and organizations, regard climate change primarily as an environmental issue, advocating for a reduction in greenhouse gas emissions.[56] Conversely, other entities, including non-European high-income countries like the US, approach climate change as an economic issue.[55] They support emissions reduction only when benefits exceed costs, prioritizing economic growth and job creation. Global South countries and organizations, however, frame climate change as a matter of 'climate justice'.[57] Despite contributing minimally to the problem, these nations bear the brunt of its effects.[58] Therefore, they call for high-income countries to acknowledge and assume their responsibilities, including reparations for damage caused by climate change.[59]

Advanced: For small island developing states (SIDS) climate change is a matter of life and death

SIDS are extremely vulnerable to climate change-induced hurricanes and sea level rise as they are low-lying territories (one-third of them lay on land less than five meters above sea level).[60] Also, because most SIDS are highly dependent on food imports; some of them are considered least developed countries.[61] Yet, SIDS contribute less than 1% of global GHG emissions.

Given SIDS' distinctive vulnerability to climate change, they have formed a coalition of states through which they have advanced several advocacy efforts to accelerate climate ambition and action. These efforts include the Male' Declaration on the Human Dimension of Global Climate Change signed in 2007; the Agreement for the Establishment of the Commission of Small Island States on Climate Change and International Law in 2021, and the drafting of a resolution at the UN General Assembly in 2022 requesting that the International Court of Justice gives an Advisory Opinion on climate change.

Another example of the aforementioned advocacy efforts is illustrated by the photo below. It depicts Maldives President Mohamed Nasheed in an underwater cabinet meeting he convened in 2009 to draw attention to the plight of SIDS in the face of climate change as ‘a symbolic cry for help.’

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These differing viewpoints have shaped the evolution of the international climate change regime, creating opportunities and obstacles in reaching global agreements. As a result, international climate change law has adapted its form and structure to navigate these complex political tensions. The subsequent section examines the UNFCCC regime's three core agreements and their responses to these contextual political challenges.

C. Emergence and Evolution on the International Climate Change Treaty Regime

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I. Emergence of the UNFCCC

Early scientific research into climate change revealed rising atmospheric CO2 levels during the 1960s.[63] Enhanced computing power in the subsequent decades deepened our understanding of the issue, leading the 1979 US National Academy of Sciences report to state that unabated increases in CO2 would result in significant climate change.[64] The First World Climate Conference convened in Geneva that year under the WMO,[65] resulting in an urgent appeal for nations to anticipate and mitigate potential climate changes harmful to humanity.[66] The conference laid the foundation for the World Climate Program[67] and future climate-focused assemblies, such as the 1985 Villach Conference and the 1988 Toronto Conference.

During the 1980s and 1990s, escalating environmental activism and political developments like the adoption of the 1987 Montreal Protocol and the 1992 Rio Conference helped raise public awareness on climate issues.[68] This, in turn, pressed policymakers to prioritize environmental protection, including atmospheric preservation.[69] The amalgamation of scientific advancement and growing social and political awareness facilitated the global recognition of climate change, cementing it as an international law concern. In 1988, the WMO and UNEP founded the IPCC and the United Nations General Assembly recognized climate change as a 'common concern of mankind.'[70]

In 1989, the Netherlands hosted the Hague Summit and the Noordwijk meeting, the first high-level intergovernmental forum devoted exclusively to climate change.[71] That same year, the climate issue was on the agenda of various international summits, including the Small Island States meeting, the Francophone Summit in Dakar, the G7 Meeting, the Non-Aligned meeting, and the Commonwealth Summit.[54] The Second World Climate Conference in 1990 issued a widely endorsed call for global action on climate change, setting the stage for the negotiation of the UNFCCC.[72] The IPCC also published its inaugural report on climate change's scientific, environmental, and policy implications.[9]

Advanced: Timeline of landmark international events that flagged early climate change concerns


II. Evolution of the UNFCCC

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In 1990, the UNGA adopted Resolution 45/212, setting in motion the creation of the UNFCCC.[15] Entrusted by the General Assembly, the Intergovernmental Negotiating Committee (INC) finalized the Convention in 1992, and it came into effect two years later when it achieved ratification by fifty countries.[73] The Convention aims to stabilize greenhouse gas concentrations to prevent dangerous interference with the climate system.[20] It sets out five guiding principles: (1) the CBDR principle, urging developed nations to lead in climate change mitigation, (2) special attention to the needs of developing countries, (3) the precautionary principle, (4) the right to sustainable development, and (5) the importance of cooperation in an open international economic system.[74]

These principles reflect the tensions between developed and developing countries concerning equity, which influenced the Convention's commitments.[75] The CBDR principle, in particular, underscores the Convention's distinction between 'Annex I' (developed) and 'non-Annex I' (developing) countries.[76] Annex I countries, including members of the Organization for Economic Cooperation and Development (OECD) and nations with economies in transition, are encouraged to limit greenhouse gas emissions to 1990 levels by 2000.[77] Annex II, a subgroup of Annex I, are expected to provide financial resources to assist developing countries in adapting to climate change.[78] Non-Annex I parties, mostly developing nations,[79] include the United Nations' 49 classified Least Developed Countries (LDCs) which receive special consideration due to their limited capacity to adapt to climate change.[79]

Moreover, the Convention recognizes the importance of economic development and promotes an open international economic system.[80] While it does not set specific emission targets, the UNFCCC establishes general obligations and provides a base for international climate change regulation. Its importance extends beyond previous conventions by setting up a financial mechanism (Article 11), requiring detailed reporting (Article 12) and international review (Article 7.2(e)).[75]

III. The Kyoto Protocol

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The Kyoto Protocol, adopted in 1997, emerged due to the UNFCCC's lack of specific emission reduction targets.[81] This development started with the 1995 Berlin Mandate at the first Conference of the Parties (COP), which established the Ad Hoc Group (AGBM) to craft a robust legal instrument to fortify the UNFCCC. The AGBM's work culminated in the Kyoto Protocol's adoption in 1997 during COP3. However, its strict provisions led to challenges in securing participation,[82] only entering into force in 2005 when ‘enough’ Annex I parties (accounting for at least 55% of the total CO2 emissions for 1990) deposited their instruments of ratification, acceptance, approval or accession.[83]

The Kyoto Protocol's goal was to enforce emission reduction targets for Annex I countries, introducing a commitment period (2008-2012) during which parties aimed to reduce their GHG emissions by 5% below 1990 levels.[84] The protocol also mandated national systems for estimating GHG emissions by 2007[85] and periodic reporting on progress.[86] Perhaps among the most salient features of the Kyoto Protocol are the implementation mechanisms it established. They are three: the Clean Development Mechanism (CDM) set up under Article 12, the Joint Implementation (JI) defined by Article 6, and the Emissions Trading (ET) set out in Article 16bis. The CDM allows countries with emission reduction commitments (Annex I parties) to undertake emission reduction projects in non-Annex I countries. In so doing, the former countries earn saleable certified emission reduction (CER) credits (each equivalent to one tonne of CO2) that count towards their Kyoto targets. Similarly, the JI provided the opportunity for Annex I countries to transfer to, or acquire from, any other such Party emission reduction Units (ERUs) resulting from emission reduction projects implemented in another Annex I country. Each ERU is equivalent to one tonne of CO2, which counts toward meeting these countries’ Kyoto targets.

Advanced: Concerns on ‘climate grabbing’ in CDM projects

The UNFCCC database indicates that 7844 CDM projects have been registered to date.[87] These projects span several sectors, including 67 activities on afforestation and reforestation.[88] While protecting the world’s forests is instrumental for reducing GHG emissions, several scholars have raised concerns about how such afforestation and reforestation projects promote ‘climate grabbing’ in Global South territories.[89] That is because governments and international NGOs are increasingly incentivized to preserve large areas of forests, they end up appropriating the land and resources of Indigenous peoples and other vulnerable communities for such climate mitigation purposes, thereby reinforcing existing socioeconomic inequalities.[90]


The ET scheme allowed countries whose actual emissions did not surpass their emission reduction commitments—and thus had emission units to spare—to sell this excess capacity to countries that were over their targets. In this way, a new commodity was created through emission reductions or removals, whereby carbon is tracked and traded like any other commodity.[91] Since CO2 is the main GHG, emissions trading is often known as the ‘carbon market.’ CER and ERU units from the CDM and JI, respectively, can also be transferred under this market.

However, the Kyoto Protocol's architecture, a top-down approach with clear delineations between developed and developing countries,[92] posed some significant challenges. Its prescriptive nature and favor towards developing countries led to the withdrawal of the United States in 2001,[93] one of the largest GHG emitters.[94] Given such a significant withdrawal and the fact that China (a non-Annex I country yet also a major GHG emitter)[94] was not given emission reduction commitments under the Protocol, this treaty’s emissions targets encompassed less than 24% of global GHG emissions.[95]

In 2012, the 'Doha Amendment' extended the Kyoto Protocol's first commitment period (2008-2012) to a second period from 2013 to 2020.[96] Nonetheless, due to the same structural issues as the original Kyoto Protocol, several developed country parties opted out from the second commitment period, including Canada, Japan, and Russia, further limiting the Protocol's scope.[93]

IV. The Paris Agreement

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Replacing the Kyoto Protocol, the Paris Agreement acts as the foundation for specific climate commitments,[97] adopted by the COP during its 21st session in 2015. It marks the first time human rights have been explicitly mentioned in a climate treaty—yet only in its preamble.[98] The development of the Paris Agreement was a politically fraught process starting with the adoption of the 'Bali Action Plan' in 2007. This plan instigated a process that aimed to implement a full, effective, and long-term cooperative action plan under the Convention,[99] originally intended for completion by 2009.[100] The core contention throughout this process was the differentiation of emission reduction commitments between developed and developing countries.[101] The failure to agree on this differentiation led to the inconclusive COP15 in Copenhagen in 2009. The resulting Copenhagen Accords reemphasized the Plan’s invitation to developed countries to submit emission reduction targets for 2020 and to developing countries to submit nationally appropriate mitigation actions.[102]

A new attempt to develop a legal instrument under the Convention was formalized in 2011 at the 17th session of the COP in Durban, South Africa. COP17 established the Ad Hoc Working Group on the Durban Platform for Enhanced Action (AWG-DP), a process that would lead to an agreed outcome with legal force to be implemented from 2020. That outcome was the Paris Agreement, whose architecture, influenced by the route the preceding negotiations took, contrasts with the Kyoto Protocol, particularly in how it treats the distribution of countries’ emission reduction commitments.

The Paris Agreement's Article 2 outlines two central goals: mitigation and adaptation to climate change. The mitigation aim strives to limit the global temperature increase to well below 2°C and urges efforts to restrict the rise to 1.5°C above pre-industrial levels.[103] It also advocates for adaptation to the adverse impacts of climate change and fostering climate resilience.[104] Furthermore, unlike the Kyoto Protocol, the Paris Agreement refrains from mandating differentiated emission reduction targets based on the countries' development trajectories. Instead, it calls for mitigation actions from all parties while recognizing the principle of CBDR.[105] The Agreement's implementation thus entails certain differentiation between developed and developing countries. For example, it expresses the ‘aim’ of Parties to ‘reach global peaking of greenhouse gas emissions as soon as possible, recognizing that peaking will take longer for developing country Parties, and to undertake rapid reductions thereafter […]’[106] It also mandates developed parties to continue 'taking the lead' in emission reduction targets and support developing countries in implementing the Agreement.[107]

New principles introduced in the Paris Agreement include the maximum ambition and progression principles.[108] These principles establish a foundation for increasing ambition, requiring each party to periodically enhance its level of commitment over the 5-year cycle. The Agreement employs tools like nationally determined contributions (NDCs), long-term strategies (LT-LEDS), adaptation plans, and the global stocktake for achieving its objectives. NDCs are action plans that both developed and developing countries must communicate every five years, showing a progressive increase in ambition.[109] The NDC cycle began in 2020 when all parties were welcome to submit their initial updated communications.[110]

Advanced: The ambition of GHG emission reductions pledged in NDCs is not enough to avert a 1.5°C increase in the global temperature
According to the Climate Action Tracker, an independent scientific analysis that monitors government climate action, as of November 2021, a substantial gap remains between the levels of emissions in 2030 projected in the NDCs submitted to the UNFCCC, and the lower levels that would be consistent with the temperature limit of the Paris Agreement.[111] As the image shows, there is a gap of 19–23 GtCO2e in 2030 between the emission from the NDCs submitted and the benchmark emissions from a 1.5°C compatible pathway (26 GtCO2e in 2030).
[112]


Furthermore, the Paris Agreement invites countries to ‘formulate and communicate long-term low greenhouse gas emission development strategies’[113] (LT-LEDS). These strategies define the long-term horizon to the NDCs. However, unlike NDCs, LT-LEDS are not mandatory.[110] The Paris COP15 invited state parties to communicate their LT-LEDS by 2020.[114] As of August 2022, 51 countries had submitted their strategies, including the European Union, United States, and China,[114] the world’s top GHG emitters.

Unlike the Kyoto Protocol, the Paris Agreement employs a hybrid architecture that blends top-down and bottom-up approaches. The Agreement's objectives and principles, established by multilateral negotiations, reflect a top-down approach, while the NDCs and adaptation arrangements follow a bottom-up template.[115] This structure grants each state the flexibility to set its mitigation ambition level and incorporates these commitments into an international climate accountability system through a global stocktake, which assesses collective progress and informs the determination of subsequent NDCs and communications.[116] The hybrid architecture of the Paris Agreement has enhanced participation levels compared to its predecessor: a record 175 parties signed the Agreement on its opening day, April 22, 2016, and it came into force less than a year after its adoption.[117]

However, there are concerns about the Agreement's potential to meet the urgent need for global decarbonization, considering that countries' GHG reduction commitments' levels of ambition are left to the states themselves. [116] Despite the Paris Agreement's maximum ambition principle, these concerns are not unfounded, given that governments often express high aspirations but shy away from difficult decisions.[116] As indicated in the advanced box above, the current ambition levels of submitted NDCs are insufficient to prevent global warming beyond 1.5°C.[118]

D. International Climate Change Law beyond the UNFCCC

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The UNFCCC treaty regime is a focal point in international climate change law. Nonetheless, the scope extends beyond this treaty. The relevance and substance of international climate change law have expanded considerably, reaching out of its initial confines in environmental law. Some observers even propose that it has developed its own distinct identity,[119] intersecting with various legal domains.[120] As climate change permeates almost all facets of human life, norms in other international law areas regulating such facets also intertwine with global warming concerns. These domains include international environmental law, human rights law, trade and investment law, refugee and migration law, and the law of the sea.

This segment focuses on how international environmental law and human rights law address climate change, thereby enriching international climate change law. While legal perspectives from other areas are crucial, numerous multilateral environmental agreements (MEAs) share a particularly close relationship with climate change, as their principles have significantly influenced the UNFCCC. Concurrently, the convergence of climate change and human rights law has forged new avenues, seemingly amplifying the influence of international climate change law, evidenced by the recent surge in rights-based climate litigation.

I.  Multilateral Environmental Agreements

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The Ramsar Convention

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Adopted in the city of Ramsar, Iran and in force since 1975,[121] the Ramsar Convention promotes the conservation of wetlands (areas of marsh, fen, peatland, or water with water that is static or flowing, fresh, brackish, or salt)[122] that hold international significance in terms of their environmental characteristics.[123] Despite not directly addressing climate change, it identifies the threats global warming imposes on the ecosystems under its protection. For example, peatlands and mangroves, key components of wetlands, play significant roles in carbon storage and disaster risk reduction.[124] Recognizing the climate mitigation and adaptation capabilities of wetlands, the Conference of the Parties to the Ramsar Convention (COP-Ramsar) has incorporated climate change considerations into the management and protection of these vital ecosystems. Particularly, in 2002, it adopted Resolution VIII.3 on 'Climate change and wetlands; impacts, adaptation and mitigation,' which the Conference subsequently updated through Resolution X.24 during its 10th Meeting in 2008. This superseding resolution entitled 'Climate change and wetlands' mandated contracting countries, among other measures, to ‘include in national climate change strategies the protection of wetlands’ and to ‘improve management practices of peatlands and other wetland types that are significant GHG sinks.’ [125]

The Convention on Biological Diversity

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Effective since 1993,[126] the CBD has three primary objectives: the conservation of biological diversity, sustainable use of ecosystem components, and equitable sharing of benefits arising from their genetic resources.[127] Recognizing the inseparable connection between biodiversity conservation and climate change, the CBD integrates climate change concerns into its core operations[9]. Notably, the findings of the 3rd Global Biodiversity Outlook (GBO), published in 2010, led the Conference of the Parties to the CBD (COP-CBD) to adopt the Strategic Plan 2011-2020 and the Aichi Biodiversity Targets, which include climate-related measures in two strategic goals.[128]

The post-2020 Kunming-Montreal Global Biodiversity Framework has continued this trend by including targets designed to directly respond to the impacts of climate change.[129] This framework has 23 action-oriented global targets, of which three seek to respond directly to the impacts of climate change. First, target 8 calls for minimizing the effects of climate change and ocean acidification on biodiversity and increasing its resilience through mitigation, adaptation, and disaster risk reduction actions. Second, the framework's target 11 pursues the restoration, maintenance, and enhancement of nature's contributions to people, including the climate. And third, target 19 commends the increase of financial resources by optimizing co-benefits and synergies targeting the biodiversity and climate crises.

Environmental Governance Agreements

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The Espoo Convention, a European MEA adopted in 1991,[130] guides countries to implement national environmental impact assessment (EIA) procedures to manage adverse transboundary environmental impacts.[131] While not fully encompassing climate change in its provisions, its Kyiv Protocol, in force since 2010, requires a strategic EIA irrespective of the transboundary context, thereby considering effects on the global environment.[132] Further, the EU Commission has called for the mainstreaming of climate mitigation measures into member states’ legislation on EIA and therefore issued guidance documents in 2013[133] and a directive in 2014[134] on the matter, which ultimately reverberates on the implementation of the Espoo Convention and its Protocol.

The Escazú Agreement, focusing on Latin America and the Caribbean, assures access to environmental information, public participation, and justice in environmental matters.[135] Adopted in 2018, it commands countries to reveal updated information on climate change sources and encourages public involvement, including in their National Determined Contributions (NDCs).[136] Through these directives, the agreement emphasizes a more inclusive and transparent approach to climate change mitigation and adaptation.[137]

II. Human Rights Law

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Despite climate change impacting nearly every aspect of human well-being, the formal convergence of international climate change and human rights law is a recent development. These two legal domains arose from different historical and political contexts, leading to distinct normative paths. The treaty-based international human rights regime can be traced back to the Universal Declaration of Human Rights in 1948, facilitated by the post-World War II momentum.[138] Conversely, the UNFCCC emerged four decades later in 1992. However, the formal interaction between human rights and climate change only took place in 2008, when the Human Rights Council adopted Resolution 7/23. The UNFCCC adopted human rights language two years later, in 2010.

Resolution 7/23, introduced in 2008, marked the first time a UN human rights body acknowledged climate change's impact on human rights. This resolution led to a comprehensive analysis by the Office of the UN High Commissioner for Human Rights (OHCHR) on the relationship between the two.[139] The OHCHR report, submitted in 2009, highlighted the effects of rising global temperatures on specific human rights and groups.[140] It also underscored the importance of procedural rights in addressing climate change,[141] providing an early clarification on human rights obligations concerning climate change[142]. Since then, numerous resolutions, studies, and discussions on the relationship between climate change and human rights have been adopted by the UN human rights system.[143] Regional human rights systems, like the African and Inter-American Commissions, have also approved resolutions establishing the connection between human rights obligations and the need to prevent dangerous global warming.Some of these developments are indicated in the boxes below.

Advanced: Climate change and the African Commission on Human and People’s Rights

Recognizing the intricate link between climate change and human rights, the African Commission has issued several pivotal resolutions. In 2009, Resolution 153 marked the first significant stride, emphasizing the need to infuse human rights standards into climate change negotiations. Subsequently, the Commission expanded its focus through Resolution 271 in 2014, commissioning an exploratory study on the direct influence of climate change on human rights in Africa.

Moving a step further in 2015, a diverse group of stakeholders converged to endorse the Yaundé Declaration. This document underscored the paramount importance of indigenous peoples' involvement and rights protection in climate change policymaking processes[144].

The Commission, maintaining this momentum, passed Resolution 342 in 2016, promoting regional cooperation for climate action. It pursued a vision of safeguarding the human rights of Africans now and for future generations. This trajectory culminated in the adoption of Resolution 417 in 2019, which implored state parties to cohesively integrate climate change concerns into broader developmental strategies, thereby reinforcing their commitment to preserving human rights.

Advanced: The Inter-American Commission on Human Rights’ Resolution on the Climate Emergency

In December 2021, the Inter-American Commission on Human Rights adopted Resolution 3/21 ‘Climate Emergency: Scope of Inter-American human rights obligations,’ the first document of this regional human rights body specifically dedicated to the issue of climate change.[145] This resolution draws inter alia on the normative and jurisprudential developments of the Inter-American Human Rights System, including the Advisory Opinion 23 of the Inter-American Court of Human Rights, to systematize the human rights obligations of States in the context of the climate crisis in order to guide them toward rights-based approach policy-making.[146]


This expanding focus on human rights in climate change discourse has led to significant institutional and normative developments[147]. For instance, in 2021, the Human Rights Council appointed a special rapporteurship to make recommendations on addressing and preventing climate change's adverse effects on human rights.[148] Moreover, in July 2022, the UN General Assembly recognized the right to a clean, healthy, and sustainable environment, compromised by climate change, as a human right.[149]

In parallel to international human rights law, the link between human rights and climate change has also evolved within climate change law, albeit at a slower pace. The COP to the UNFCCC first acknowledged this link at its 10th session in Cancún in 2010.[150] However, a stronger emphasis came with the Paris Agreement, the first legally binding instrument to explicitly refer to human rights, despite the political tension that relegated human rights to a preambular reference.[151]

The Paris Agreement represents a milestone for the integration of these two legal fields. As a result, policy and judicial efforts to mitigate and adapt to climate change increasingly aim to merge human rights and climate change frameworks. For example, the development of National Adaptation Plans under a human rights approach is gaining momentum as a strategy to advance specific human rights in high inequality contexts.[152] Additionally, the Paris Agreement has triggered a surge in climate change lawsuits worldwide, using human rights arguments to urge national courts to redress climate-induced risks.[153] In this respect, the IPCC has acknowledged the importance of climate-related litigation as a means to facilitate the implementation of mitigation and adaptation actions.[154]

Advanced:

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Conclusion

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Climate change, one of the most complex challenges of our era, demands robust legal responses. This chapter has endeavored to provide an overview of the international climate change law primarily anchored on the UNFCCC regime. It has traced the historical background, structural blueprint, and normative propositions of the UNFCCC, aiming to delineate the pathways for the practical implementation of these written legal instruments.

However, the effectiveness and timeliness of these tools, as well as those emerging from the intersection of climate change law with other legal domains, remain critical questions in the prevention and adaptation to escalating global temperatures. The inescapable interlinkages between climate change and global inequality patterns underscore political and socioeconomic conflicts. Untangling these tensions is a prerequisite for achieving climate justice. As the law is a perfectible instrument, its adequacy in addressing climate change largely depends on our ability to prioritize a healthy planet over accumulation and dispossession.

Further Readings

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    • Benoit Mayer, The International Law on Climate Change (1st edn, Cambridge University Press 2018).
    • Cinnamon Carlarne, Kevin R Gray and Richard Tarasofsky, 'International Climate Change Law: Mapping The Field' in Kevin R Gray, Richard Tarasofsky and Cinnamon Carlarne (eds), The Oxford Handbook of International Climate Change Law (Oxford University Press 2016).
    • Daniel Bodansky, Jutta Brunnée and Lavanya Rajamani, International Climate Change Law (Oxford University Press 2017).
    • Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú. Crisis climática, transición energética y derechos humanos (Fundación Heinrich Böll 2020).
    • Jacqueline Peel, 'Climate Change Law: The Emergence of a New Legal Discipline' (2008) 32 Melbourne University Law Review 922.
    • Joyeeta Gupta, 'A History of International Climate Change Policy' (2010) 1 WIREs Climate Change 636 https://doi.org/10.1002/wcc.67.
    • Jutta Brunnée, 'Legal Argumentation in the Evolving Climate Regime' in Ian Johnstone and Steven R Ratner (eds), Talking International Law: Legal Argumentation Outside the Courtroom (Oxford University Press 2021) 239.
    • Katrina Fischer Kuh, 'International Climate Change Treaty Regime' in Karl S Coplan and others (eds), Climate Change Law: An Introduction (Edward Elgar Publishing 2021) 5.
    • Lavanya Rajamani and Jacob D Werksman, 'Climate Change' in Lavanya Rajamani and Jacqueline Peel (eds), The Oxford Handbook of International Environmental Law (2nd edn, Oxford University Press 2021) 492.
    • Rosemary Gail Rayfuse and Shirley V Scott (eds), International Law in the Era of Climate Change (Edward Elgar Publishing 2012).
    • Susana Borràs, 'Movimientos para la justicia climática global: replanteando el escenario internacional del cambio climático' (2016) 33 Relaciones Internacionales.

Table of Contents

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Back to home page

Part I - History, Theory, and Methods

Part II - General International Law

Part III - Specialized Fields

Footnotes

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  1. ↑ The first footnote. Please adhere to OSCOLA when formating citations. Whenever possible, provide a link with the citation, ideally to an open-access source.
  2. ↑ Xiye Bastida, ‘Speech delivered at the Leaders Summit on Climate’ (U.S. Department of State Summits and Conferences, 22 April 2021) 2:50:21<https://www.youtube.com/watch?v=6xa7yyypznY>accessed 1 August 2022.
  3. ↑ ‘IPCC, 2021: Summary for Policymakers’ in V. Masson-Delmotte, P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.), Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge University Press 2021) 3, 6.
  4. ↑ UNFCCC 1992, Article 1.2
  5. ↑ ‘IPCC, 2021: Summary for Policymakers’ in V. Masson-Delmotte, P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.), Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge University Press 2021) 3, 8.
  6. ↑ ‘IPCC, 2021: Summary for Policymakers’ in V. Masson-Delmotte, P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.), Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge University Press 2021) 3, 14.
  7. ↑ WMO, 'Global temperatures set to reach new records in next five years' (World Meteorological Organization, 17 May 2023)<https://public.wmo.int/en/media/press-release/global-temperatures-set-reach-new-records-next-five-years>accessed 13 June 2023.
  8. ↑ Ibid 14; ‘IPCC, 2021: Summary for Policymakers’ in H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.), Climate Change 2022: Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge University Press 2022) 1, 13.
  9. ↑ a b J. T. Houghton, G. J. Jenkins, and J. J. Ephraums (eds.), Climate Change: The IPCC Scientific Assessment (WMO and UNEP 1990)< https://www.ipcc.ch/site/assets/uploads/2018/03/ipcc_far_wg_I_full_report.pdf>accessed 1 August 2022.
  10. ↑ Susana Borràs, ‘Movimientos para la justicia climática global: replanteando el escenario internacional del cambio climático’ (2016) 33 Relaciones Internacionales 97, 98.
  11. ↑ Caroline Moser, Andrew Norton, Alfredo Stein, and Sophia Georgieva, Pro-Poor Adaptation to Climate Change in Urban Centers: Case Studies of Vulnerability and Resilience in Kenya and Nicaragua (The World Bank, 2010) <https://openknowledge.worldbank.org/handle/10986/3001>accessed 1 August 2022.
  12. ↑ ‘IPCC, 2021: Summary for Policymakers’ in H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.), Climate Change 2022: Impacts, Adaptation, and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge University Press 2022) 1, 12.
  13. ↑ Richard Lazarus, ‘Super Wicked Problems and Climate Change: Restraining the Present to Liberate the Future’ (2009) 94(5) Cornell Law Review 1153.
  14. ↑ Rosemary Gail Rayfuse and Shirley V. Scott, ‘Mapping the Impact of Climate Change on International Law’ in Rosemary Gail Rayfuse and Shirley V. Scott (eds.), International Law in the Era of Climate Change (Edward Elgar Publishing 2012), 4.
  15. ↑ a b UN General Assembly, Resolution 45/212 - Protection of Global Climate for Present and Future Generations of Mankind (United Nations, 21 December 1990)<https://documents-dds-ny.un.org/doc/RESOLUTION/GEN/NR0/566/01/IMG/NR056601.pdf?OpenElement>accessed 1 August 2022.
  16. ↑ Cinnamon Carlarne, Kevin R. Gray, and Richard Tarasofsky, ‘International Climate Change Law: Mapping The Field’, in Kevin R. Gray, Richard Tarasofsky, and Cinnamon Carlarne (eds.), The Oxford Handbook of International Climate Change Law (Oxford University Press, 2016)<https://doi.org/10.1093/law/9780199684601.003.0001>
  17. ↑ Lavanya Rajamani and Jacob D. Werksman, ‘Climate Change’, in Lavanya Rajamani and Jacqueline Peel (eds), The Oxford Handbook of International Environmental Law (Oxford University Press, 2021) 492, 507.
  18. ↑ Olivia Lai, '10 Young Climate Activists Leading the Way on Global Climate Action' (Earth, 12 August 2022) https://earth.org/young-climate-activists-leading-the-way-on-global-climate-action/ accessed 19 December 2022.
  19. ↑ 'What We Do' (FridaysForFuture, n.d.) https://fridaysforfuture.org/ accessed 19 December 2022.
  20. ↑ a b UNFCCC 1992, Article 2.
  21. ↑ a b IPCC, 'Annex I: Glossary' in Masson-Delmotte, V., P. Zhai, H.-O. Pörtner, D. Roberts, J. Skea, P.R. Shukla, A. Pirani, W. Moufouma-Okia, C. Péan, R. Pidcock, S. Connors, J.B.R. Matthews, Y. Chen, X. Zhou, M.I. Gomis, E. Lonnoy, T. Maycock, M. Tignor, and T. Waterfield (eds), Global Warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty (Cambridge University Press 2018).
  22. ↑ ´FP 186 – India E-Mobility Financing Program’ (Green Climate Fund, n.d.)https://www.greenclimate.fund/project/fp186accessed 30 August 2022.
  23. ↑ Paul Wolfram, Stephanie Weber, Kenneth Gillingham, and Edgar G. Hertwich, ‘Pricing Indirect Emissions Accelerates Low—Carbon Transition of US Light Vehicle Sector’ (2021) 12(1) Nature Communications 7121 <https://doi.org/10.1038/s41467-021-27247-y>accessed 30 August 2022.
  24. ↑ SAP017 – Climate proofing food production investments in Imbo and Moso basins in the Republic of Burundi’ (Green Climate Fund, n.d.)https://www.greenclimate.fund/project/sap017accessed 30 August 2022.
  25. ↑ SAP017 – Climate proofing food production investments in Imbo and Moso basins in the Republic of Burundi’ (Green Climate Fund, n.d.)https://www.greenclimate.fund/project/sap017accessed 30 August 2022.
  26. ↑ UNFCCC 1992, Article 4(b).
  27. ↑ a b Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 12.
  28. ↑ Kyoto Protocol 1997, Article 3.
  29. ↑ Paris Agreement 2015, Article 7.
  30. ↑ Benoit Mayer, The International Law on Climate Change (Cambridge University Press 2018) 12.
  31. ↑ UNFCCC 1992, Article 7.
  32. ↑ a b UN Climate Change, 'Conference of the Parties (COP)' (UNFCCC, n.d.) https://unfccc.int/process/bodies/supreme-bodies/conference-of-the-parties-cop accessed 19 December 2022.
  33. ↑ UNFCCC 1992, Article 8.
  34. ↑ UN Climate Change, 'About the Secretariat' (UNFCCC, n.d.) https://unfccc.int/about-us/what-is-the-unfccc-secretariat accessed 19 December 2022.
  35. ↑ UNFCCC 1992, Article 4 para. 3.
  36. ↑ a b United Nations Climate Change, ‘Climate Finance’ (UNFCCC n.d.)< https://unfccc.int/topics/climate-finance/the-big-picture/climate-finance-in-the-negotiations/climate-finance#:~:text=The%20Financial%20Mechanism%20is%20accountable,and%20eligibility%20criteria%20for%20funding.&text=The%20Kyoto%20Protocol%20also%20recognizes,activities%20by%20developing%20country%20Parties>accessed 1 August 2022.
  37. ↑ UNFCCC 1992, Article 12.
  38. ↑ Lavanya Rajamani and Jacob D. Werksman, 'Climate Change,' in Lavanya Rajamani and Jacqueline Peel (eds.), The Oxford Handbook of International Environmental Law (Oxford University Press, 2021) 492, 493.
  39. ↑ Erkki J. Hollo, Kati Kulovesi, and Michael Mehling, eds., Climate Change and the Law (Springer Netherlands, 2013), 16.
  40. ↑ Stockholm Declaration of the UN Conference on the Human Environment 1972, Principle 21; Rio Declaration on Environment and Development 1992, Principle 2.
  41. ↑ Case concerning Pulp Mills on the River Uruguay (Argentina v Uruguay) [2010] ICJ Rep 14, 55 (para 197).
  42. ↑ UNFCCC 1992, Article 3 para. 3.
  43. ↑ Rio Declaration on Environment and Development 1992, Principle 7.
  44. ↑ Cinnamon Carlarne, Kevin R. Gray, and Richard Tarasofsky, 'International Climate Change Law: Mapping The Field,' in Kevin R. Gray, Richard Tarasofsky, and Cinnamon Carlarne (eds.), The Oxford Handbook of International Climate Change Law (Oxford University Press, 2016), 14.
  45. ↑ UNFCCC 1992, Article 4 para. 1.
  46. ↑ UN Climate Change, ‘Parties & Observers’ (UNFCCC, n.d.)https://unfccc.int/parties-observersaccessed 30 August 2022.
  47. ↑ ‘Lesson 2: History of the UN Climate Negotiations’ (WHO, n.d.), 8https://cdn.who.int/media/docs/default-source/climate-change/cc-negotiations-and-health-lesson-2.pdf?sfvrsn=fe8f0a68_5accessed 30 August 2022.
  48. ↑ a b Ronnie D. Lipschutz and Corina McKendry, 'Social Movements and Global Civil Society' in John S. Dryzek, Richard B. Norgaard, and David Schlosberg (eds), The Oxford Handbook of Climate Change and Society (Oxford University Press 2018), 370.
  49. ↑ UN Climate Change, ‘Non-governmental organizations constituencies’ (UNFCCC 2022)<https://unfccc.int/sites/default/files/resource/constituencies_and_you.pdf>accessed 19 December 2022.
  50. ↑ UN Climate Change, ‘Statistics on Admission’ (UNFCCC 2022)< https://unfccc.int/process-and-meetings/parties-non-party-stakeholders/non-party-stakeholders/statistics-on-non-party-stakeholders/statistics-on-admission>accessed 1 August 2022.
  51. ↑ UN Climate Change, ‘Statistics on Admission’ (UNFCCC 2022) https://unfccc.int/process-and-meetings/parties-non-party-stakeholders/non-party-stakeholders/statistics-on-non-party-stakeholders/statistics-on-admissionaccessed 1 August 2022.
  52. ↑ IPCC, 'About the IPCC' (IPCC, 2022) https://www.ipcc.ch/about/ accessed 19 December 2022.
  53. ↑ a b IPCC, 'Reports' (IPCC, 2022) https://www.ipcc.ch/reports/ accessed 19 December 2022.
  54. ↑ a b Joyeeta Gupta, ‘A History of International Climate Change Policy’ (2010) 1.5 WIREs Climate Change 637<https://doi.org/10.1002/wcc.67>
  55. ↑ a b Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 5.
  56. ↑ Council of the EU, 'EU position for the UN climate change conference in Paris: Council conclusions' (Council of the European Union, 18 September 2015) https://www.consilium.europa.eu/en/press/press-releases/2015/09/18/counclusions-un-climate-change-conference-paris-2015/ accessed 19 December 2022.
  57. ↑ Brian Tokar, 'On the Evolution and Continuing Development of the Climate Justice Movement' in Tahseen Jafry (ed), Routledge Handbook of Climate Justice (Routledge 2019); Paul Routledge, 'Translocal Climate Justice Solidarities' in John S. Dryzek, Richard B. Norgaard, and David Schlosberg (eds), The Oxford Handbook of Climate Change and Society (Oxford University Press 2018), 385.
  58. ↑ Brian Tokar, 'On the Evolution and Continuing Development of the Climate Justice Movement' in Tahseen Jafry (ed), Routledge Handbook of Climate Justice (Routledge 2019), 20.
  59. ↑ See, for example, LDC Climate Change, 'LDC Chair's Reflections at the Thimphu Ambition Summit 2020' (LDC Climate Change, n.d.) https://www.ldc-climate.org/thimphuambition-eventdetails/ldc-chairs-reflections/ accessed 19 December 2022.
  60. ↑ Leila Mead, ‘Small Islands, Large Oceans: Voices on the Frontlines of Climate Change’ (IISD, 29 March 2021)https://www.iisd.org/articles/deep-dive/small-islands-large-oceans-voices-frontlines-climate-changeaccessed 30 August 2022.
  61. ↑ Leila Mead, ‘Small Islands, Large Oceans: Voices on the Frontlines of Climate Change’ (IISD, 29 March 2021)https://www.iisd.org/articles/deep-dive/small-islands-large-oceans-voices-frontlines-climate-changeaccessed 30 August 2022.
  62. ↑ Leila Mead, ‘Small Islands, Large Oceans: Voices on the Frontlines of Climate Change’ (IISD, 29 March 2021)https://www.iisd.org/articles/deep-dive/small-islands-large-oceans-voices-frontlines-climate-changeaccessed 30 August 2022.
  63. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 98.
  64. ↑ National Research Council, Carbon Dioxide and Climate: A Scientific Assessment (National Academies Press, 1979) viii.
  65. ↑ John W. Zillman, ‘A History of Climate Activities’ (WMO, 2009)< https://public.wmo.int/en/bulletin/history-climate-activities>accessed 1 August 2022.
  66. ↑ Information Unit for Conventions, ‘Climate Change Information Sheet 17’ (UNEP 2000)<https://unfccc.int/cop3/fccc/climate/fact17.htm>accessed 1 August 2022.
  67. ↑ Information Unit for Conventions, ‘Climate Change Information Sheet 17’ (UNEP 2000)<https://unfccc.int/cop3/fccc/climate/fact17.htm>accessed 1 August 2022.
  68. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 98.
  69. ↑ Luis Roberto Barroso, ‘Revolución Tecnológica, Crisis de la Democracia y Cambio climático: Un Mundo en Transformación y los Límites del Derecho’ in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 45, 70. <https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanos>accessed 10 August 2022.
  70. ↑ UN General Assembly, Resolution 43/53 - Protection of Global Climate for Present and Future Generations of Mankind (UNGA Resolution, 6 December 1988)<https://digitallibrary.un.org/record/54234>accessed 1 August 2022.
  71. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 99.
  72. ↑ John W. Zillman, ‘A History of Climate Activities’ (WMO, 2009)< https://public.wmo.int/en/bulletin/history-climate-activities>accessed 1 August 2022.
  73. ↑ UNFCCC 1992, Article 23 para. 1.
  74. ↑ UNFCCC 1992, Article 3.
  75. ↑ a b Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 104.
  76. ↑ Jacqueline Peel, ‘Climate Change Law: The Emergence of a New Legal Discipline’ (2008) 32(3) Melbourne University Law Review 922, 928.
  77. ↑ UNFCCC 1992, Article 4 para. 2(a).
  78. ↑ UNFCCC 1992, Article 4 para. 3 & 4.
  79. ↑ a b UN Climate Change, 'Parties & Observers' (UNFCCC, n.d.) https://unfccc.int/parties-observers accessed 19 December 2022.
  80. ↑ UNFCCC 1992, Article 3.
  81. ↑ Jacqueline Peel, ‘Climate Change Law: The Emergence of a New Legal Discipline’ (2008) 32(3) Melbourne University Law Review 922, 929.
  82. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 23.
  83. ↑ Kyoto Protocol 1997, Article 24, para. 1.
  84. ↑ Kyoto Protocol 1997, Article 3, para. 1.
  85. ↑ Kyoto Protocol 1997, Article 5.
  86. ↑ Kyoto Protocol 1997, Article 7.
  87. ↑ UN Climate Change, ‘Project Search’ (UNFCCC, n.d.)https://cdm.unfccc.int/Projects/projsearch.htmlaccessed 30 August 2022.
  88. ↑ UN Climate Change, ‘Project Search’ (UNFCCC, n.d.)https://cdm.unfccc.int/Projects/projsearch.htmlaccessed 30 August 2022.
  89. ↑ Giulia Parola and Lodovica Toffoletto, ‘El “acaparamiento de tierras y el cambio climático”: una oportunidad perdida del Acuerdo de París’ in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 203, 219https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanosaccessed 10 August 2022.
  90. ↑ Giulia Parola and Lodovica Toffoletto, ‘El “acaparamiento de tierras y el cambio climático”: una oportunidad perdida del Acuerdo de París’ in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 203, 219https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanosaccessed 10 August 2022.
  91. ↑ UN Climate Change, ‘Emissions Trading’ (UNFCCC, n.d.)<https://unfccc.int/process/the-kyoto-protocol/mechanisms/emissions-trading>accessed 10 August 2022.
  92. ↑ Kyoto Protocol 1997, Article 10.
  93. ↑ a b Lavanya Rajamani and Jacob D. Werksman, 'Climate Change,' in Lavanya Rajamani and Jacqueline Peel (eds.), The Oxford Handbook of International Environmental Law (Oxford University Press, 2021) 492, 496.
  94. ↑ a b Hannah Ritchie and Max Roser, ‘CO2 emissions’ (Our World in Data, 2020)<https://ourworldindata.org/co2-emissions>accessed 10 August 2022.
  95. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 108.
  96. ↑ UN Climate Change, ‘The Doha Amendment’ (UNFCCC, 2022)<https://unfccc.int/process/the-kyoto-protocol/the-doha-amendment>accessed 20 August 2022.
  97. ↑ Lavanya Rajamani and Jacob D. Werksman, 'Climate Change,' in Lavanya Rajamani and Jacqueline Peel (eds.), The Oxford Handbook of International Environmental Law (Oxford University Press, 2021) 492, 502.
  98. ↑ Paris Agreement 2015, Preamble, para. 11.
  99. ↑ Decision 1/CP.13 2007 (adopted by the COP to the UNFCCC), para. 1.
  100. ↑ Decision 1/CP.13 2007 (adopted by the COP to the UNFCCC), para. 2.
  101. ↑ Benoit Mayer, The International Law on Climate Change (Cambridge University Press 2018) 42.
  102. ↑ Benoit Mayer, The International Law on Climate Change (Cambridge University Press 2018) 44.
  103. ↑ Paris Agreement 2015, Article 2.1(a).
  104. ↑ Paris Agreement 2015, Article 2.1(b).
  105. ↑ Paris Agreement 2015, Article 2.2.
  106. ↑ Paris Agreement 2015, Article 4.1.
  107. ↑ Paris Agreement 2015, Article 4.4 and 4.5.
  108. ↑ Daniel Klein, ‘El Acuerdo de París sobre Cambio Climático: del dicho al hecho’ in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 227, 235.<https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanos>accessed 10 August 2022.
  109. ↑ Paris Agreement 2015, Article 4.3 and 4.9.
  110. ↑ a b UN Climate Change, ‘The Paris Agreement’ (UNFCCC, n.d.)< https://unfccc.int/process-and-meetings/the-paris-agreement/the-paris-agreement>accessed 10 August 2022.
  111. ↑ Climate Action Tracker, ‘CAT Emissions Gap’ (CAT, November 2021)https://climateactiontracker.org/global/cat-emissions-gaps/accessed 30 August 2022.
  112. ↑ Climate Action Tracker, ‘CAT Emissions Gap’ (CAT, November 2021)https://climateactiontracker.org/global/cat-emissions-gaps/accessed 30 August 2022.
  113. ↑ Paris Agreement 2015, Article 4.19.
  114. ↑ a b UN Climate Change, ‘Long-term strategies portal’ (UNFCCC, 2022)< https://unfccc.int/process/the-paris-agreement/long-term-strategies>accessed 10 August 2022.
  115. ↑ Daniel Klein, ‘El Acuerdo de París sobre Cambio Climático: del dicho al hecho’ in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 227, 233.<https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanos>accessed 10 August 2022.
  116. ↑ a b c Robert Falkner, 'The Paris Agreement and the new logic of international climate politics' (2016) 92 International Affairs 5.
  117. ↑ Daniel Bodansky, Jutta Brunnée, and Lavanya Rajamani, International Climate Change Law (Oxford University Press, 2017), 25.
  118. ↑ Climate Action Tracker, ‘CAT Emissions Gap’ (CAT, November 2021) https://climateactiontracker.org/global/cat-emissions-gaps/ accessed 30 August 2022
  119. ↑ Cinnamon Carlarne, Kevin R. Gray, and Richard Tarasofsky, ‘International Climate Change Law: Mapping The Field’, in Kevin R. Gray, Richard Tarasofsky, and Cinnamon Carlarne (eds.), The Oxford Handbook of International Climate Change Law (Oxford University Press, 2016)<https://doi.org/10.1093/law/9780199684601.003.0001>.
  120. ↑ Lavanya Rajamani and Jacob D. Werksman, ‘Climate Change’, in Lavanya Rajamani and Jacqueline Peel (eds), The Oxford Handbook of International Environmental Law(Oxford University Press, 2021) 492, 507.
  121. ↑ The Ramsar Convention Secretariat, ‘History of the Ramsar Convention’ (Ramsar, 2014)<https://www.ramsar.org/about/history-of-the-ramsar-convention>accessed 20 August 2022.
  122. ↑ Ramsar Convention 1971, Article 1.1.
  123. ↑ Ramsar Convention 1971, Article 2.2.
  124. ↑ The Ramsar Convention Secretariat, ‘Global Wetland Outlook: 2021 Special Edition’ (Ramsar, 2021)<https://www.global-wetland-outlook.ramsar.org/>
  125. ↑ 10th Meeting of the Conference of the Parties to the Convention on Wetlands 2008, Resolution X.24, para. 31 & 32<https://www.ramsar.org/sites/default/files/documents/pdf/res/key_res_x_24_e.pdf>accessed 20 August 2022.
  126. ↑ Convention on Biological Diversity, ‘History of the Convention’ (CBD, 15 August 2022)<https://www.cbd.int/history/>accessed 20 August 2022.
  127. ↑ CBD 1992, Articles 1 & 2.
  128. ↑ Decision X/2 [2010] COP CBD<https://www.cbd.int/decision/cop/?id=12268>accessed 20 August 2022.
  129. ↑ 2022 Kunming-Montreal Global Biodiversity Framework, para. 4.
  130. ↑ UN Treaty Collection, ‘Convention on Environmental Impact Assessment in a Transboundary Context’ (United Nations, 2022)<https://treaties.un.org/pages/ViewDetails.aspx?src=IND&mtdsg_no=XXVII-4&chapter=27&clang=_en>accessed 20 August 2022.
  131. ↑ Espoo Convention 1991, Article 2.
  132. ↑ Benoit Mayer, ‘Environmental Assessments in the Context of Climate Change: The Role of the UN Economic Commission for Europe’ (2019) 28(1) Review of European, Comparative and International Environmental Law 82<https://ssrn.com/abstract=3279299>accessed 20 August 2022.
  133. ↑ EU Commission, ‘Guidance on Integrating Climate Change and Biodiversity into Environmental Impact Assessment’ (European Union, 2013)<https://ec.europa.eu/environment/eia/pdf/EIA%20Guidance.pdf>accessed 20 August 2022; EU Commission, ‘Guidance on Integrating Climate Change and Biodiversity into Strategic Environmental Assessment’ (European Union, 2013)<https://ec.europa.eu/environment/eia/pdf/SEA%20Guidance.pdf>accessed 20 August 2022.
  134. ↑ Directive 2014/52/EU of the European Parliament and of the Council of 16 April 2014 amending Directive 2011/92/EU on the assessment of the effects of certain public and private projects on the environment [2014] Official Journal of the European Union L124/1.
  135. ↑ Escazú Agreement 2018, Article 1.
  136. ↑ Escazú Agreement 2018, Article 7.1.
  137. ↑ Lina Muñoz Ávila and Camilo Quintero-Giraldo, ‘El Acuerdo de Escazú sobre democracia ambiental y su relación con el Acuerdo de París sobre cambio climático en Colombia’ in Crisis climática, derechos humanos y los Acuerdos de París y Escazú, in Henry Jiménez Guanipa and Marisol Luna Leal (eds), Crisis climática, derechos humanos y los Acuerdos de París y Escazú (Fundación Heinrich Böll, 2020) 267, 279<https://co.boell.org/es/2020/03/30/crisis-climatica-transicion-energetica-y-derechos-humanos>accessed 20 August 2022.
  138. ↑ Frans Viljoen, ‘International Human Rights Law: A Short History’ (UN Chronicle, n.d.)<https://www.un.org/en/chronicle/article/international-human-rights-law-short-history>accessed 20 August 2022.
  139. ↑ 41st Meeting of the UN Human Rights Council 2008, Resolution 7/23 - Human Rights and Climate Change, para. 1<https://ap.ohchr.org/documents/E/HRC/resolutions/A_HRC_RES_7_23.pdf>accessed 20 August 2022.
  140. ↑ Office of the UN High Commissioner for Human Rights 2009, Report of the Office of the United Nations High Commissioner for Human Rights on the Relationship between Climate Change and Human Rights, UN Doc. A/ HRC/10/61, para. 20<https://documents-dds-ny.un.org/doc/UNDOC/GEN/G09/103/44/PDF/G0910344.pdf?OpenElement>accessed 20 August 2022.
  141. ↑ Office of the UN High Commissioner for Human Rights 2009, Report of the Office of the United Nations High Commissioner for Human Rights on the Relationship between Climate Change and Human Rights, UN Doc. A/ HRC/10/61, para. 78<https://documents-dds-ny.un.org/doc/UNDOC/GEN/G09/103/44/PDF/G0910344.pdf?OpenElement>accessed 20 August 2022.
  142. ↑ Office of the UN High Commissioner for Human Rights 2009, Report of the Office of the United Nations High Commissioner for Human Rights on the Relationship between Climate Change and Human Rights, UN Doc. A/ HRC/10/61, para. 69<https://documents-dds-ny.un.org/doc/UNDOC/GEN/G09/103/44/PDF/G0910344.pdf?OpenElement>accessed 20 August 2022.
  143. ↑ UN Economic Commission for Latin America and the Caribbean and UN High Commissioner for Human Rights, Climate Change and Human Rights: Contributions by and for Latin America and The Caribbean (ECLAC/OHCHR 2019), 17<https://www.ohchr.org/sites/default/files/S1900999_en.pdf>accessed 20 August 2022.
  144. ↑ Yaoundé Declaration on the Implementation in Africa of the Outcome Document of the World Conference on Indigenous Peoples 2015https://www.achpr.org/news/viewdetail?id=85accessed 30 August 2022.
  145. ↑ Resolution 3/2021 Climate Emergency: Scope of Inter-American Human Rights Obligations 2021https://www.oas.org/en/iachr/decisions/pdf/2021/resolucion_3-21_ENG.pdfaccessed 30 August 2022.
  146. ↑ Resolution 3/2021 Climate Emergency: Scope of Inter-American Human Rights Obligations 2021https://www.oas.org/en/iachr/decisions/pdf/2021/resolucion_3-21_ENG.pdfaccessed 30 August 2022.
  147. ↑ Verena Kahl, 'A human right to climate protection - Necessary protection or human rights proliferation?' (2022) 40 NQHR 2.
  148. ↑ 44th Meeting of the UN Human Rights Council 2021, Resolution 8/14 – Mandate of the Special Rapporteur on the promotion and protection of human rights in the context of climate change, para. 2(a)<https://documents-dds-ny.un.org/doc/UNDOC/GEN/G21/285/48/PDF/G2128548.pdf?OpenElement>accessed 20 August 2022.
  149. ↑ UN General Assembly 2022, The human right to a clean, healthy and sustainable environment, A/75/L.75<https://digitallibrary.un.org/record/3982508?ln=en>accessed 20 August 2022.
  150. ↑ 16th Session of the COP to the UNFCCC 2010, Decision 1/CP.16 - The Cancún Agreements: Outcome of the Work of the Ad Hoc Working Group on Long-Term Cooperative Action under the Convention, UN Doc. FCCC/CP/ 2010/7/Add.1, Preamble.
  151. ↑ Paris Agreement 2015, Preamble.
  152. ↑ Thalia Viveros-Uehara, ‘Health Care in a Changing Climate: A Review of Climate Change Laws and National Adaptation Plans in Latin America’ (2021) 23(2) Health and Human Rights Journal 139<https://www.hhrjournal.org/2021/12/health-care-in-a-changing-climate-a-review-of-climate-change-laws-and-national-adaptation-plans-in-latin-america/>accessed 20 August 2022.
  153. ↑ Annalisa Savaresi and Joana Setzer, ‘Rights-Based Litigation in the Climate Emergency: Mapping the Landscape and New Knowledge Frontiers’ (2022) 13(1) Journal of Human Rights and the Environment 7<https://www.elgaronline.com/view/journals/jhre/13/1/article-p7.xml>accessed 20 August 2022.
  154. ↑ IPCC, 2022: Summary for Policymakers [H.-O. Pörtner, D.C. Roberts, E.S. Poloczanska, K. Mintenbeck, M. Tignor, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem (eds.)]. In: Climate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.)]. Cambridge University Press, Cambridge, UK and New York, NY, USA, p. 27.
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