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Highlights

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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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: Launch of the City Climate Gap Fund City Stories

What does the journey look like for a city to turn climate ambition into a project that can attract 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, … read more
June 25, 2026

The 2026 Innovate4Cities Conference concludes in Nairobi with renewed commitment to turn urban climate knowledge into action

Nairobi, 25 June 2026 – The 2026 Innovate4Cities Conference (I4C26) concluded in Nairobi, Kenya, after four days of exchange, collaboration and partnership-building aimed at accelerating climate action in cities. Marking a historic first as the Conference landed on the African continent, I4C26 brought together city and national government leaders, researchers, practitioners, businesses, civil society, youth … 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
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

September 4, 2026

AMAZON DAY: CLIMATE ACTION IN BRAZIL’S MOST IMPORTANT BIOME STARTS IN CITIES

Supported by the Brazil Mutirão program, Amazonian municipalities are developing climate plans and concrete projects through an unprecedented partnership between local governments, the Federal Government and international networks On September 5, Brazil celebrates Amazon Day, a commemorative date aimed at raising awareness around the world of the importance of preserving the planet’s largest tropical rainforest. … read more

GCoM in the news

GCoM in the News
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

September 4, 2026

AMAZON DAY: CLIMATE ACTION IN BRAZIL’S MOST IMPORTANT BIOME STARTS IN CITIES

Supported by the Brazil Mutirão program, Amazonian municipalities are developing climate plans and concrete projects through an unprecedented partnership between local governments, the Federal Government and international networks On September 5, Brazil celebrates Amazon Day, a commemorative date aimed at raising awareness around the world of the importance of preserving the planet’s largest tropical rainforest. … read more

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