Global climate finance from developed countries climbed to a record $136.7 billion in 2024, marking the third consecutive year the international $100 billion climate finance target has been exceeded.
New OECD data showed strong growth in both public and private climate finance flows to developing economies, driven largely by rising investment in emissions reduction, renewable energy, and climate resilience projects.
The figures also underscore the growing importance of climate finance within global economic policy as governments and financial institutions attempt to accelerate decarbonisation while helping vulnerable countries adapt to worsening climate impacts.
Key Overview
- Global climate finance reached $136.7 billion in 2024
- Developed countries provided $132.8 billion in 2023
- The $100 billion climate finance goal was exceeded for a third consecutive year
- Private climate finance rose sharply to $30.5 billion
- Mitigation projects accounted for nearly two-thirds of total funding
- Adaptation finance represented one-quarter of total climate finance
- Funding for low-income countries remained below 2022 levels
- OECD will continue monitoring climate finance progress through 2025
Climate Finance Reaches New Global High
Developed countries provided and mobilised a record $136.7 billion in climate finance for developing economies in 2024, according to newly released OECD data.
The latest figures follow climate finance totaling $132.8 billion in 2023 and confirm that the international $100 billion climate finance target has now been surpassed for three consecutive years.
The OECD’s latest report, Climate Finance Provided and Mobilised by Developed Countries in 2013–2024, showed that the target had already been exceeded in 2022 when total climate finance reached $115.9 billion.
The climate finance goal was originally agreed under the United Nations Framework Convention on Climate Change (UNFCCC) in 2009.
Under the agreement, developed economies committed to mobilising $100 billion annually by 2020 to help developing countries reduce emissions and strengthen resilience against climate change impacts. The target was later extended through 2025.
Analysts say the continued rise in climate finance highlights how climate-related investment is becoming increasingly integrated into global development, economic, and energy transition strategies.
OECD Highlights Continued Momentum
The OECD said the latest figures reflect growing international commitment toward climate action and support for developing economies.
Mathias Cormann said the continued growth demonstrates clear momentum in international climate financing efforts.
“The USD 100 billion goal was exceeded for the third consecutive year in 2024, showing clear commitment to supporting developing economies to adapt to and mitigate climate change,” Cormann said.
He added that both adaptation finance and mobilised private finance increased during the year, which remain important for helping vulnerable countries achieve climate objectives.
Analysts note that climate finance continues playing a central role in international climate negotiations, with developing countries repeatedly calling for larger funding commitments from industrialised economies.
Many lower-income nations argue that developed countries should provide stronger financial support because advanced economies contributed most historical greenhouse gas emissions.
Private Climate Finance Records Major Growth
One of the strongest areas of expansion in 2024 came from private climate finance mobilisation.
According to the OECD, mobilised private finance rose to $30.5 billion in 2024 through mechanisms including direct investment, guarantees, and syndicated loans.
That represented the largest annual increase since 2016, growing by $7.6 billion, or 33%, compared with more modest growth of $1 billion in 2023.
The OECD said the increase was driven largely by multilateral development banks (MDBs), which continue playing a major role in reducing investment risk and attracting private capital into climate projects.
Analysts say private-sector investment is becoming increasingly important because governments alone are unlikely to provide sufficient funding to meet future global climate financing requirements.
Large-scale renewable energy projects, clean transportation systems, battery storage infrastructure, and industrial decarbonisation initiatives increasingly depend on blended finance structures involving both public and private capital.
Mitigation Finance Dominates Climate Spending
The OECD report showed that mitigation finance continued accounting for the majority of climate finance flows directed toward developing countries.
Nearly two-thirds of total climate finance in both 2023 and 2024 supported mitigation-related activities.
These include renewable energy deployment, emissions reduction projects, clean electricity systems, industrial decarbonisation, and low-carbon transportation infrastructure.
Analysts say mitigation projects often attract larger investment volumes because many generate long-term commercial returns while supporting energy transition goals.
At the same time, rapidly falling renewable energy costs continue improving the attractiveness of clean energy investments globally.
However, climate experts warn that adaptation finance remains critically important for countries already facing severe climate-related disruptions.
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Adaptation Finance Still Faces Pressure
Although adaptation finance continued growing, the OECD noted that growth remained slower compared with broader climate finance expansion.
Adaptation finance accounted for approximately one quarter of total climate finance in both 2023 and 2024.
That remains below the one third peak recorded in 2020.
Adaptation finance supports projects designed to strengthen resilience against climate risks such as flooding, droughts, heatwaves, rising sea levels, and food insecurity.
The OECD warned that meeting commitments outlined under the 2021 Glasgow Climate Pact would require adaptation finance provided by developed countries to increase by more than $5 billion in 2025.
Analysts say adaptation projects often struggle to attract investment because they generally produce fewer direct commercial returns than mitigation-focused infrastructure projects.
At the same time, many climate-vulnerable countries urgently require adaptation funding as extreme weather events become more frequent and severe.
Low-Income Countries Still Receive Limited Funding
The OECD also highlighted continuing concerns surrounding the distribution of climate finance.
According to the report, climate finance remained heavily concentrated in middle-income economies while support for low-income countries remained comparatively limited.
Funding directed toward low-income countries declined to $8.4 billion in 2023 before partially recovering to $9.6 billion in 2024.
However, those levels remained below the 2022 peak of $11.1 billion.
Analysts say many low-income economies continue facing difficulties accessing climate finance because of higher perceived financial risks, weaker institutional capacity, and limited project preparation resources.
Yet these countries are often among the most vulnerable globally to climate change impacts despite contributing minimally to global emissions.
The issue of fair climate finance distribution is therefore expected to remain a major topic during future international climate negotiations.
Climate Finance Needs Continue Rising
Global demand for climate finance is expected to continue increasing rapidly in the years ahead.
Countries worldwide are seeking investment for renewable energy systems, resilient infrastructure, emissions reduction programs, and climate adaptation projects.
Analysts estimate that achieving global climate goals will require trillions of dollars in annual climate-related investment over coming decades.
The OECD confirmed it will continue tracking the achievement of the $100 billion goal through 2025 and plans to publish a final report in 2027.
However, international climate discussions are increasingly shifting beyond the original $100 billion target toward broader long-term financing frameworks capable of supporting global decarbonisation and resilience needs at much larger scale.
Outlook
The latest OECD figures showing climate finance reaching $136.7 billion in 2024 reflect continued growth in global efforts to support climate action across developing economies.
The strong rise in private finance mobilisation also demonstrates how climate investment is increasingly becoming a shared responsibility between governments, development institutions, and private-sector investors.
However, continued funding gaps for adaptation projects and low-income countries suggest major challenges remain in ensuring climate finance is distributed fairly and reaches the countries most vulnerable to climate change.
As climate risks intensify and global energy transition costs continue rising, pressure is expected to grow for developed economies and international financial institutions to scale climate finance commitments even further in the years ahead.
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Sources: OECD, Sustainability Online, EnviroNews Nigeria, Emirates News Agency – WAM, Hellenic Shipping News
