The statement is the final outcome from the Local Leaders Forum in Rio de Janeiro – a declaration of support from thousands of cities, towns, and regions to their national governments to advance real, on-the-ground climate solutions  Thousands of mayors and regional leaders from across the globe have issued a united call for national governments … read more

The Global Covenant of Mayors for Climate & Energy (GCoM) welcomed continued support from Bloomberg Philanthropies to accelerate local climate leadership across its more than 13,800 cities this week. Announced by UN Secretary-General’s Special Envoy on Climate Ambition and Solutions and GCoM Co-Chair Michael R. Bloomberg at the Local Climate Action Summit during the COP30 … read more

Unveiled at the Local Climate Action Summit as the culminating outcome of the COP30 Local Leaders Forum, the Local Leaders Joint Statement is a declaration of support from more than 14,000 cities, towns, states, regions, and provinces across every continent, affirming their collective commitment to advancing real, on-the-ground climate solutions.   Responding to the COP30 … read more

The European Union’s endorsement reinforces the crucial role of cities and regions as key partners in delivering the Paris Agreement global goals.   The European Union (EU) has officially endorsed the Coalition for High Ambition and Multilevel Partnerships (CHAMP), signaling its commitment to leverage the key role of cities and regions to accelerate global climate … read more

Supported by Bloomberg Philanthropies and facilitated by the Brazilian National Front of Mayors (FNP), the partnership will help 50 Brazilian municipalities deliver climate projects by 2027.   Rio de Janeiro, Brazil (November 2025) – Today, the Brazilian Government, Bloomberg Philanthropies, C40 Cities, and the Global Covenant of Mayors for Climate & Energy (GCoM), announced a … read more

From the Baku-to-Belém Roadmap and beyond, COP30 is a pivotal moment to mobilize climate finance, strengthen policies, and deliver real impact.   Cities are on the frontlines of the climate crisis—responsible for much of the world’s emissions yet holding the key to a sustainable and inclusive future. They are already delivering climate action at scale, … read more