Simon Stiell, Executive Secretary of the United Nations Framework Convention on Climate Change, has called for stronger political commitment to support a global climate finance roadmap designed to mobilize US$1.3 trillion annually by 2035. Speaking during a joint COP29-COP30 Presidency event at the UN June Climate Meetings in Bonn, he emphasized that climate finance remains the most critical factor in transforming climate pledges into meaningful action.
Stiell highlighted that the world has entered what he described as an “era of implementation,” where success depends not only on setting climate targets but also on securing the financial resources necessary to achieve them. According to him, climate finance plays a central role in enabling countries to move from planning and policy development to the actual execution of projects that reduce emissions, strengthen resilience, and support sustainable economic growth.
The proposed financing strategy is based on the Baku to Belém Roadmap, which emerged from discussions at COP29. The roadmap is intended to guide international efforts to significantly increase climate-related investment over the coming decade. It reflects the commitment made by countries to scale up climate finance to US$1.3 trillion per year by 2035, a level considered necessary to meet global climate objectives and support developing countries in their transition to low-emission and climate-resilient economies.
Stiell described the roadmap as a practical framework that can help build confidence among governments, investors, development banks, and private-sector stakeholders. While the roadmap is not a formally negotiated agreement, it incorporates extensive input from climate experts, financial institutions, policymakers, and civil society organizations. He stressed that broad support for the plan is essential, even if it does not fully satisfy every stakeholder’s priorities.
A major focus of the discussion was the growing challenge faced by developing countries in accessing affordable climate finance. Many nations, particularly small island developing states and least developed countries, continue to struggle with limited financial resources, rising debt burdens, and increasing exposure to climate-related disasters. These challenges often restrict their ability to invest in renewable energy, climate adaptation, resilient infrastructure, and sustainable development initiatives.
Stiell noted that current economic uncertainty, geopolitical tensions, and financial constraints are creating additional obstacles for developing economies. He argued that overcoming these barriers will require stronger political support not only within climate negotiations but also across broader international economic and financial forums. Governments, multilateral development banks, and global financial institutions must work together to create conditions that facilitate greater investment in climate solutions.
The UN climate chief outlined several priorities for advancing the roadmap. These include maximizing the effectiveness of existing climate finance, improving the efficiency of public and development bank funding, aligning investment frameworks with climate goals, and developing innovative sources of financing. He emphasized the importance of ensuring that every dollar invested contributes effectively to emissions reduction, climate adaptation, and sustainable development outcomes.
Another key objective is to encourage greater participation from private investors. By improving investment conditions and reducing perceived financial risks, policymakers hope to attract significantly larger flows of private capital into climate-related projects. Such investments are viewed as essential for achieving the scale of financing required to meet international climate goals.
The roadmap is expected to play a significant role in shaping future climate finance negotiations and policy discussions leading up to COP33. It will also contribute to preparations for the second Global Stocktake, a major assessment of collective progress toward achieving the goals of the Paris Agreement. This review will evaluate whether countries are on track to limit global warming and strengthen climate resilience.
Stiell emphasized that measurable progress must be achieved before the next global review takes place. He called on governments, financial institutions, businesses, and other stakeholders to move beyond planning and focus on implementing practical solutions that can deliver tangible climate benefits.
As international climate discussions continue, the success of the $1.3 trillion climate finance roadmap will be closely watched as a key indicator of global commitment to addressing climate change. Supporters view the initiative as an essential mechanism for accelerating climate action, strengthening resilience, and ensuring that developing countries have the resources needed to participate fully in the global transition toward a sustainable and low-carbon future.
