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The Multilevel Climate Action Playbook Second Edition

The Multilevel Climate Action Playbook Second Edition is a follow-up to the Multilevel Climate Action Playbook for Local and Regional Governments published in November 2021, which recommended key elements of an enabling environment that can weave climate ambition and action of local and regional governments into Party policy developments. This second edition of the Playbook … read more
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News

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October 20, 2026

Open Call: Host the 2028 Innovate4Cities Conference

The Global Covenant of Mayors for Climate & Energy (GCoM) and UN-Habitat invite expressions of interest to host the 2028 Innovate4Cities Conference (I4C28) by 4 November 2026. Cities and local governments are where the impacts of climate change are most acutely felt – and the epicenters of commitments turned into action. But cities cannot act … read more

August 12, 2026

Food Systems Emerge as a Climate Finance Priority at UCLG-MEWA Working Group Launch with the GCoM-Gap Fund Partnership

On July 28 and 29, local governments from across the Middle East and West Asia gathered in Konya, Türkiye for the UCLG-MEWA Forum on Innovation and Food Systems and the inaugural meeting of the UCLG-MEWA Working Group on Food and Agriculture, hosted by Selçuklu Municipality. The meeting brought together mayors, municipal leaders, international organisations, technical … read more
August 6, 2026

From Climate Ambition to Investment: The City Climate Gap Fund City Stories

What does the journey look like for a city turning climate ambition into a project that attracts investment? A new collection of City Stories from the Global Covenant of Mayors–Gap Fund Partnership highlights how cities are overcoming one of the greatest barriers to climate action: preparing projects that are technically sound, locally owned, and ready … read more

Research

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June 24, 2026

Market opportunities. Accelerating climate action in C40 and GCoM cities

A new C40 and Global Covenant of Mayors for Climate and Energy (GCoM) report finds that cities are emerging as powerful drivers of green market growth. Based on purchasing data from 151 cities worldwide, the research shows how local climate policies, infrastructure planning and public trust can accelerate demand for green technologies and products such … read more
March 24, 2026

Rapid urbanization in small and medium-sized cities: Implications for climate and energy Preliminary findings

The preliminary findings from the report, Rapid Urbanization in Small and Medium-sized Cities: Implications for climate and energy, seek to broaden the understanding of rapid urbanization and its effects on these often overlooked cities. As small and medium-sized cities play an increasingly critical role in future urban growth, there is an urgent and strategic need … read more
March 14, 2026

The European Multilevel Governance Story: Evidence on CHAMP-aligned Implementation in Practice

A new report by the Global Covenant of Mayors for Climate & Energy and C40 Cities highlights how the European Union is turning climate pledges into real-world results through multilevel collaboration. Drawing on concrete examples across Europe, it shows how partnerships between national, regional, and local governments are driving climate action on the ground and … read more

Press Releases

All Press Releases
October 12, 2026

MAYORS OF KOCHI, RENCA, AND GDAŃSK JOIN BOARD OF THE GLOBAL COVENANT OF MAYORS FOR CLIMATE & ENERGY

World’s Largest City Climate Alliance Appoints Mayor V.K. Minimol, Mayor Claudio Castro, and Mayor Aleksandra Dulkiewicz to Expand Regional Leadership Across South Asia, Latin America, and Europe BRUSSELS, BELGIUM (October 12, 2026) – Today, the Global Covenant of Mayors for Climate and Energy (GCoM), the largest global alliance for city climate leadership built upon the … read more

September 25, 2026

Spain Joins CHAMP Coalition to Strengthen Climate Action With Cities and Regions

New York (September 23, 2026) — Vice President Sara Aagesen today announced Spain’s endorsement of the Coalition for High Ambition Multilevel Partnerships (CHAMP) for Climate Action during Climate Week NYC, strengthening the growing coalition of national governments working with cities and regions to accelerate climate action. With Spain’s endorsement, CHAMP now brings together 78 countries … read more

September 23, 2026

AI Disaster-Response Solution Wins the 2026 AI x City Climate Action Hackathon

TRACE takes first place in this year’s edition, which drew nearly 700 registrations and 75 projects, and will now move toward exploring a real-world city pilot Cambridge, United Kingdom, 23 September 2026 — Project TRACE,  developed by a team from the United States and Cameroon, is the winner of the 2026 AI x City Climate … read more

GCoM in the news

GCoM in the News
October 20, 2026

Open Call: Host the 2028 Innovate4Cities Conference

The Global Covenant of Mayors for Climate & Energy (GCoM) and UN-Habitat invite expressions of interest to host the 2028 Innovate4Cities Conference (I4C28) by 4 November 2026. Cities and local governments are where the impacts of climate change are most acutely felt – and the epicenters of commitments turned into action. But cities cannot act … read more

October 12, 2026

MAYORS OF KOCHI, RENCA, AND GDAŃSK JOIN BOARD OF THE GLOBAL COVENANT OF MAYORS FOR CLIMATE & ENERGY

World’s Largest City Climate Alliance Appoints Mayor V.K. Minimol, Mayor Claudio Castro, and Mayor Aleksandra Dulkiewicz to Expand Regional Leadership Across South Asia, Latin America, and Europe BRUSSELS, BELGIUM (October 12, 2026) – Today, the Global Covenant of Mayors for Climate and Energy (GCoM), the largest global alliance for city climate leadership built upon the … read more

September 25, 2026

Spain Joins CHAMP Coalition to Strengthen Climate Action With Cities and Regions

New York (September 23, 2026) — Vice President Sara Aagesen today announced Spain’s endorsement of the Coalition for High Ambition Multilevel Partnerships (CHAMP) for Climate Action during Climate Week NYC, strengthening the growing coalition of national governments working with cities and regions to accelerate climate action. With Spain’s endorsement, CHAMP now brings together 78 countries … read more

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