Climate justice

Working Definition

Climate justice is a structured set of ethical, legal, and political questions about how to distribute three kinds of burdens across states, generations, and social groups: the cost of reducing greenhouse gas emissions (mitigation), the cost of adjusting to climate changes that can no longer be avoided (adaptation), and the cost of irreversible harms to which societies can neither adapt nor prevent (loss and damage). In its analytical version, practiced in political philosophy and international law, it is a calculus of distributive principles examining who emitted, who benefited from past industrialization, who possesses the financial and technological capacity to act, and who is most exposed to harm. In its activist version, forged by grassroots and Global South movements, it is above all a demand for procedural and political self-determination: that climate policy be shaped by those who bear its consequences rather than those who caused the crisis. Both versions share a foundational rejection of the premise that climate change is merely an engineering or economic optimization problem with a socially neutral solution.

Genesis and Global Lineage

The concept traces back to two parallel interventions in the early 1990s. The first was the landmark 1991 report Global Warming in an Unequal World by Anil Agarwal and Sunita Narain of the Centre for Science and Environment (CSE), an independent think tank in New Delhi. Responding to Western rankings that placed India and China among the top global polluters, Agarwal and Narain charged Northern statistical models with “environmental colonialism”: aggregating emissions by nation-state concealed the moral gulf between “survival emissions” generated by methane from rice paddies or livestock in poor agrarian economies and “luxury emissions” generated by private automobiles and air conditioning in the affluent North. The second source was philosopher Henry Shue’s 1993 article “Subsistence Emissions and Luxury Emissions” in Law & Policy, which brought the same distinction into analytical moral philosophy and demonstrated that no climate treaty can avoid normative judgments about fairness—it can only smuggle them in under technical formulas.

From this lineage grew the academic climate ethics of the 2000s. Simon Caney systematized the three rival distributive principles—the Polluter Pays Principle (PPP), the Beneficiary Pays Principle (BPP), and the Ability to Pay Principle (APP)—while Stephen M. Gardiner diagnosed climate change as a “perfect moral storm” in which spatial dispersion of cause and effect, intergenerational time lags, and theoretical inadequacy conspire to incentivize moral buck-passing. Simultaneously, the term was adopted by transnational social movements: the Bali Principles of Climate Justice (2002), drafted by a coalition of environmental justice and indigenous organizations modeled on the 1991 US Environmental Justice principles, expanded the concept beyond carbon accounting to include ecological debt, food and energy sovereignty, and representation of frontline communities. Within UN diplomacy, the underlying logic was codified in the 1992 UNFCCC principle of “common but differentiated responsibilities and respective capabilities” (CBDR-RC), while the exact phrase “climate justice” entered the preamble of the 2015 Paris Agreement—albeit hedged with the diplomatic qualifier “noting the importance for some of the concept of ‘climate justice.’”

Central European Lineage

We found no documented link between this concept and the intellectual history or historical experience of Central Europe.

Why Now

Three converging developments between 2018 and 2026 moved climate justice from seminar rooms and activist banners into binding institutional decisions. First, a wave of constitutional and human-rights climate litigation turned intergenerational equity into enforceable law: the Dutch Supreme Court’s Urgenda ruling (2019), the German Federal Constitutional Court’s 2021 Neubauer decision—which held that weak near-term emission cuts unconstitutionally offload drastic freedom restrictions onto younger generations after 2030—and the European Court of Human Rights’ KlimaSeniorinnen v. Switzerland judgment (2024) established that states have positive legal duties to protect citizens from disproportionate climate burdens. Second, after three decades of diplomatic resistance from wealthy nations, COP27 in Sharm el-Sheikh (2022) established the Loss and Damage Fund, operationalized a year later at COP28 in Dubai: the first multilateral institution built on the premise that financial transfers are owed for climate harms already incurred. Third, domestic decarbonization within affluent economies began generating visible internal losers—from coal miners to suburban commuters reliant on combustion cars and households facing higher heating bills—as seen in France’s Gilets Jaunes (Yellow Vests) protests in 2018 and fierce European debates over extending emissions trading to buildings and road transport (ETS2). A concept born as a North–South claim had to be reformulated to address class and spatial inequalities within the North itself.

Explanatory Power

The lens of climate justice reveals that beneath every seemingly technical parameter in climate policy lies a political choice about distribution. First, baseline years: the 1997 Kyoto Protocol measured emission cuts against 1990, automatically rewarding post-communist Central and Eastern European states whose heavy industry collapsed after 1989 without climate policy, while penalizing economies that industrialized later. Second, metrics: current territorial emissions per state put China first; per capita emissions put Qatar and the United States first; cumulative emissions since 1850 indict the US and Europe; consumption footprints shift responsibility back to Western buyers. No measurement can decide which metric is right—only a principle of justice can. Third, discount rates: the clash between Nicholas Stern (near-zero pure time discount rate, demanding immediate investment) and William Nordhaus (higher market-derived discount rate) was an ethical dispute over the moral weight of people living in 2100 disguised as financial arithmetic.

Axes of Debate

Underappreciated Angle

Most global literature frames climate justice as a binary confrontation between an affluent, historically guilty Global North and an impoverished, low-emitting Global South. Yet some of the hardest theoretical and political cases lie in the semi-periphery between these poles: post-socialist economies that emitted heavily throughout the twentieth century under Soviet-style central planning, without accumulating the Western capital stocks or living standards that the Beneficiary Pays Principle presupposes, and whose sharp drop in emissions after 1989 resulted from painful industrial collapse rather than green policy. Central Europe—and coal-dependent regions like Upper Silesia in Poland, where the Katowice COP24 summit adopted the “Solidarity and Just Transition Silesia Declaration” in 2018—exposes the blind spots of all three canonical rules: these societies polluted heavily under non-sovereign command economies, possess an ability to pay far above the Global South yet well below Western Europe, and experienced their post-1990 “emission reductions” as acute regional deindustrialization. A theory of climate justice capable of guiding real transition politics must account for this middle tier rather than operating solely with a two-pole world map.