"CBDR-RC remains the bedrock of India's climate diplomacy." Examine its relevance given the post-Belém finance architecture.

Common But Differentiated Responsibilities and Respective Capabilities (CBDR-RC) means that every nation shares the climate burden, but how much each carries depends on its responsibility and capability. At COP31 in Antalya, India again rooted its main demands in this principle: equity, public finance under Article 9.1 and a just transition [1]. The post-Belém finance architecture both supports CBDR-RC and puts it under strain.

Why CBDR-RC remains relevant

• Legal anchor: Article 9.1 of the Paris Agreement obliges developed countries to provide finance. COP30's Global Mutirão decision set up a two-year work programme on it [1][2].
• Differentiation in the goal itself: the new finance goal (NCQG) of ≥USD 300 bn/yr by 2035 is to be led by developed countries [2].
• Adaptation gap: developing countries need USD 310–365 bn/yr by 2035. International public adaptation finance was only USD 26 bn in 2023 [3]. Vulnerable countries cannot fund this themselves.
• Strength in blocs: COP decisions need consensus. Aligning with G77 & China, LMDC and BASIC lets India defend differentiation together with other developing countries [1].

Where it is under strain

• "All sources" dilution: the USD 1.3 tn goal counts private and other flows, which blurs who owes what [2].
• Contributor-base push: at Baku, India objected to plans to widen the contributor base. It also opposed conditions such as macroeconomic and fiscal measures [4].
• Accounting dispute: developed countries say they met the USD 100 bn goal. They reached USD 115.9 bn in 2022, two years late, and mobilised private finance is now growing fastest [5]. This weakens the "broken promise" argument.

Way forward

• Push for grant-equivalent accounting and a separate public-finance figure within the USD 300 bn. This matches India's Baku demand for grant-based finance [4].
• Use the Article 9.1 work programme to agree a common definition of climate finance [2].
• Measure adaptation tripling against UNEP's estimate of needs, not past flows. Build coalitions with LDCs and small island states on this [3].
• Pair CBDR-RC with visible domestic action on India's own "fair share" to stay credible.

CBDR-RC therefore remains relevant. It is being reshaped through accounting rules and the contributor-base debate rather than openly rejected. India should turn it from a defensive slogan into measurable finance rules: grant-equivalence, protected public finance and needs-based adaptation targets. That would make the "COP of Implementation" [1] fair in practice and advance SDG 13 and the Paris Agreement's promise of climate justice.