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The document evaluates the first decade of the Paris Agreement, arguing that climate finance delivery has been characterized by "incremental promises, contentious negotiations, evolving priorities and an erosion of trust amongst Parties." It highlights a significant investment deficit in Africa, where the region receives only 3% of global climate finance flows despite its high vulnerability. The brief critiques the delayed and contested achievement of the US$100 billion annual goal, the underfunding of adaptation and loss and damage, and the over-reliance on debt-creating loans over grants. It calls for a shift toward public-led, concessional finance and systemic reforms to the global financial architecture to ensure equity and transparency ahead of COP30.

In 2023, climate finance to EMDEs surpassed USD 1 trillion, with 80% sourced domestically and China accounting for 64% of total flows. While mitigation finance grew to USD 979 billion, it remains far below the estimated USD 3.86 trillion annual need. Adaptation finance totaled USD 48 billion, showing significant unevenness as the top 20% of countries received over 70% of these funds. International public finance exceeded USD 159 billion, but faces potential declines due to ODA cuts, while international private finance rose to USD 49 billion. The report emphasizes that EMDEs require nearly USD 4 trillion annually through 2030 to achieve climate goals.

Global climate finance reached a record USD 1.9 trillion in 2023, driven by a 30% compound annual growth rate in private finance from 2018 to 2023. While mitigation finance dominates at 94% of total flows—primarily targeting energy systems and transport—adaptation finance decreased by 16% in 2023 to USD 65 billion. Significant regional disparities persist, with 79% of finance concentrated in East Asia and the Pacific, Western Europe, and the US and Canada. Despite growth, current investment levels remain three times lower than the most conservative estimates of global needs.

The G20 is assessed as an effective tool for short-term macroeconomic crisis response but a failure in delivering structural economic justice. While it mobilised trillions during the 2008 financial crisis and the COVID-19 pandemic, it has consistently prioritised creditor interests and market stability over the needs of the Global South. The report highlights systemic failures in international financial architecture reform, sovereign debt restructuring, and climate finance, where funding remains insufficient and skewed toward profitable mitigation. However, recent Global South presidencies (Indonesia, India, Brazil, and South Africa) have successfully introduced new priorities, such as taxing the super-rich and the care economy. The authors recommend that the G20 redefine 'crisis' to include social and ecological threats and adopt justice-based metrics for success.

The document highlights a critical adaptation finance gap in Africa, noting that the continent requires between $187–359 billion annually but faces an 80% shortfall in adaptation investment. It identifies the South African G20 presidency as a strategic opportunity to shift climate finance from debt-creating loans to grants and concessional funding. Key recommendations include scaling locally led adaptation, implementing debt-for-climate swaps, and reforming Multilateral Development Banks (MDBs) to ensure at least 50% of climate finance for African Least Developed Countries is provided as grants or highly concessional finance.

The policy brief distinguishes between incremental and transformational adaptation, highlighting that the latter is necessary when climate impacts cross viability thresholds. It identifies significant barriers to transformational adaptation in Africa, including financial gaps, weak legal frameworks, and a lack of standardized metrics. The authors recommend that South Africa's G20 presidency champion the development of adaptation scenarios, the enactment of climate change laws, and the creation of an Africa-based framework for measuring systemic impact to move beyond reactive, short-term climate responses.

The report highlights that while projected warming has decreased from 4°C in 2015 to 2.6°C today, this level of warming still results in significantly more frequent and intense heat days. It notes that extreme heat waves have become more likely since 2015, with some events now 10 times more likely. Despite the expansion of early warning systems, the report argues that adaptation finance is insufficient to keep pace with the rising costs of inaction on extreme heat.

The report finds that international adaptation finance for SIDS is severely insufficient, averaging just over USD 2 billion annually in 2021–2022, while assessed needs are approximately USD 12 billion. It highlights that 44% of this finance was provided as debt, posing macroeconomic risks, and notes a high concentration of funds, with 10 SIDS receiving 67% of tracked finance. The document calls for a six-fold increase in flows, a shift from ODA eligibility to a multidimensional vulnerability index, and improved tracking of both public and private investments.

Climate finance for emerging markets and developing economies (EMDEs) surpassed USD 1 trillion in 2023, with 80% mobilized domestically. Mitigation finance dominates, accounting for 92% of flows (USD 979 billion), while adaptation finance reached USD 48 billion. China is the primary driver, providing 64% of total EMDE flows. Significant gaps remain, with annual mitigation needs estimated at USD 3.86 trillion. The report recommends strengthening domestic enabling environments, improving the quality of international finance, and increasing data transparency to scale investment.

The Páramo Wildfire Resilience Facility is a proposed financial vehicle designed to protect Colombia's high-elevation páramo ecosystems from catastrophic wildfires. It utilizes a two-pronged approach: a parametric insurance policy to provide rapid liquidity for emergency fire suppression and an adaptation and recovery trust fund for long-term risk mitigation and ecosystem restoration. The facility targets ecosystem service beneficiaries, such as water utilities and corporations, to fund these activities, aiming to safeguard the drinking water supply for millions of people in the Bogotá metropolitan area.

The report examines the application of the 2022 Basel principles for climate-related financial risks (CRFRs) in India, noting that their microprudential focus may create systemic risks. It proposes two macroprudential principles for the Reserve Bank of India (RBI): incentivising credible transition plans and supporting transition and adaptation finance. The document also details practical hurdles faced by Indian banks, such as data gaps and capacity constraints, and aligns the Basel framework with the RBI's 2022 Discussion Paper and 2024 Draft Disclosure Framework.

The report analyzes the complementary roles of VCEFs, MDBs, and NDBs in scaling climate finance, highlighting the potential for financial instruments like guarantees and catalytic equity to mobilize private investment. It identifies systemic barriers—such as complex accreditation and slow approval processes—and proposes a roadmap for non-financial collaboration through country platforms, technical assistance, and the creation of enabling policy environments. The document provides specific recommendations for the G20 Sustainable Finance Working Group to improve interoperability and leverage NDBs' local expertise to bridge the investment gap, particularly for adaptation in low-income countries.

The report details a framework of seven indicators designed to evaluate how well non-Annex I countries communicate climate finance needs and strategies in their NDCs to attract private and international capital. The methodology employs a graduated scoring system from 'absent' to 'strong' to measure the 'investability' of these documents. As of May 31, 2025, the framework was applied to 18 non-Annex I parties, comparing their most recent submissions with previous ones to track progress in financial transparency and planning.

The report analyzes the complementary roles of VCEFs, MDBs, and NDBs in the climate finance architecture, focusing on financial instruments like guarantees, equity, and local currency lending. It identifies systemic barriers such as complex accreditation and slow approval processes and proposes a framework for non-financial collaboration through country platforms, technical assistance, and the creation of enabling policy environments. The document provides a set of short- and mid-term recommendations to harmonize metrics, simplify due diligence, and unlock the potential of NDBs to increase the flow of climate finance to emerging markets and developing economies.

The report argues that while the quantity of climate finance is widely tracked, its quality—defined as the degree to which it induces structural shifts toward low-emission, climate-resilient, and equitable economies—remains under-analyzed and non-standardized. It introduces a three-level analytical framework (project, market, and system) to move beyond one-off interventions toward 'transformational climate finance.' The study identifies ten dimensions for assessing transformational potential, including affordability, equity and justice, and programmatic approaches. It also reviews existing measurement tools used by institutions like the IFC, GCF, and UK ICF, noting a convergence in project-level tracking but significant fragmentation in market and system-level assessments.

The report evaluates the Article 6 carbon market rules finalized at COP29. It finds that Article 6.2 provides a weak, decentralized framework with significant loopholes in additionality, permanence, and accountability. Article 6.4 is rated more robust due to its centralized Supervisory Body and structured transparency, though it still lacks sufficient safeguards for land rights and permanence. The author argues that the current framework is not robust enough to ensure high-quality carbon credits and warns developed countries against using these markets to meet their NDCs.

The report synthesizes key messages from the first global stocktake (GST) to support developing countries in enhancing their national adaptation plan (NAP) processes. It emphasizes the iterative adaptation cycle—comprising impact, vulnerability, and risk assessment (IVRA), planning, implementation, and monitoring, evaluation, and learning (MEL)—as the guiding framework. Key findings highlight the need for gender-responsive and inclusive planning, the mainstreaming of adaptation across governance levels, and the critical role of nature-based solutions. The document also addresses the widening adaptation finance gap and provides a practical roadmap for countries to implement GST outcomes based on their current NAP status, while outlining reporting mechanisms through NDCs, AdComs, and BTRs to prepare for the second global stocktake.

The document highlights a significant disparity in climate finance distribution, noting that LDCs received only 1% of global mitigation finance in 2022. It argues that current debt-based financial mechanisms are ill-suited for LDCs due to limited fiscal space, currency risks, and weak enabling environments. To address this, the report showcases successful innovations such as the Africa Risk Capacity (ARC) for parametric insurance and the Peace Renewable Energy Credit (P-REC) for electrification in conflict zones. It concludes that donor governments, philanthropies, and development finance institutions must prioritize grant-based and highly concessional capital to build resilience in the most vulnerable nations.

The report analyzes 59 multi-sector national adaptation plan (NAP) documents from developing countries to examine how they address adaptation finance. It emphasizes that sufficient finance from diverse sources, which does not increase debt burdens, is a critical enabling factor for inclusive and effective NAP processes. The review aims to highlight good practices and areas for improvement to better support countries in identifying, prioritizing, and mobilizing the necessary adaptation finance.

The report examines the integration of finance within National Adaptation Plans (NAPs) across 59 developing countries. It finds that while most NAPs include dedicated finance sections and rely heavily on international public funding, there is a significant gap in detailed costing and the mobilization of private-sector finance. The authors recommend that countries move toward more investment-oriented NAP documents, implement climate-resilient fiscal planning, and adopt tailored financing strategies—particularly for Least Developed Countries (LDCs)—to bridge the adaptation finance gap.