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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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November 20, 2025

Cities Prove What’s Possible When Action Meets Implementation

A new joint assessment from GCoM and C40 Cities reveals strong and accelerating growth in local climate implementation across CHAMP-endorsing countries.   Belém, Brazil (20 November 2025) - As negotiations advance at COP30 to define the next era of climate ambition, a new joint assessment from the Global Covenant of Mayors for Climate and Energy … read more
Cities and States Put Nature-Based Solutions at the Heart of Climate Action in Rio
November 13, 2025

Cities and States Put Nature-Based Solutions at the Heart of Climate Action in Rio

At the COP30 Local Leaders Forum in Rio de Janeiro, the Global Covenant of Mayors for Climate & Energy–City Climate Finance Gap Fund Partnership team joined CDP Latam, Consorcio Brasil Verde (CBV), and Centro Brasil no Clima (CBC) to host “Nature’s Climate Potential: Connecting Financing Opportunities for Subnational Governments.” The session brought together more than … read more

COP30: Brazil Leads a New Global Effort to Accelerate Multilevel Climate Action
November 11, 2025

COP30: Brazil Leads a New Global Effort to Accelerate Multilevel Climate Action

Brazil and Germany announced as first CHAMP Co-Chairs, marking the start of the coalition’s implementation phase beyond COP30.   Belém, Brazil (11 November 2025) — At a high-level ministerial session of the Fourth Ministerial Meeting on Urbanization and Climate Change at COP30, the Government of Brazil unveiled two milestones to advance multilevel climate governance: the … read more

Research

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November 20, 2025

Cities Are Rapidly Moving From Climate Pledges to Real-World Implementation

At a decisive decade for climate action, cities and regions are increasingly recognized as essential partners in planning, implementing, and monitoring pioneering climate solutions, helping to embed national goals into local contexts. As a new joint assessment – launched today at COP30 – from the Global Covenant of Mayors for Climate and Energy (GCoM) and … read more
Urban Content in NDC 3.0 — A Global Snapshot for COP30
November 11, 2025

Urban Content in NDC 3.0 — A Global Snapshot for COP30

Cities remain central to the climate agenda: they concentrate rising risks, trillions in exposed assets and most future growth. The third round of Nationally Determined Contributions (NDCs 3.0) shows a historic jump in how countries are internalizing this urban reality into their national contributions toward global efforts for climate change mitigation and adaptation.   Prepared … read more
Turning Research Into Action: A New Brief for Cities Leading the Climate Transition
July 1, 2025

Turning Research Into Action: A New Brief for Cities Leading the Climate Transition

Local leaders are at the forefront of climate action, shaping climate-resilient development in cities and communities worldwide. Building on findings from the 2024 Innovate4Cities Conference (I4C24), the Cities and Local Governments Sector Brief highlights the essential role of cities in advancing local, regional, and global climate goals. The brief draws from the Global Research and … read more

Press Releases

All Press Releases
November 20, 2025

Cities Prove What’s Possible When Action Meets Implementation

A new joint assessment from GCoM and C40 Cities reveals strong and accelerating growth in local climate implementation across CHAMP-endorsing countries.   Belém, Brazil (20 November 2025) - As negotiations advance at COP30 to define the next era of climate ambition, a new joint assessment from the Global Covenant of Mayors for Climate and Energy … read more
COP30: Brazil Leads a New Global Effort to Accelerate Multilevel Climate Action
November 11, 2025

COP30: Brazil Leads a New Global Effort to Accelerate Multilevel Climate Action

Brazil and Germany announced as first CHAMP Co-Chairs, marking the start of the coalition’s implementation phase beyond COP30.   Belém, Brazil (11 November 2025) — At a high-level ministerial session of the Fourth Ministerial Meeting on Urbanization and Climate Change at COP30, the Government of Brazil unveiled two milestones to advance multilevel climate governance: the … read more
November 8, 2025

UN SECRETARY GENERAL RECEIVES LOCAL LEADERS’ JOINT OUTCOME STATEMENT DURING COP30 WORLD LEADERS SUMMIT

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

GCoM in the news

GCoM in the News
May 10, 2021

Racing Toward a Climate Neutral Europe

FAQ on Race to Zero, Race to Resilience, and new Covenant Europe commitments Cities Race to Zero and Covenant of Mayors - Europe: A Quick Guide for European Cities Interview with Giorgia Rambelli, ICLEI Europe Coordinator, Climate Policy and Energy Governance
February 19, 2021

Cities May Be Our Greatest Hope in the Face of Climate Change and the Pandemic

BY ANNE HIDALGO AND WILLIAM PEDUTO Anne Hidalgo is the mayor of Paris, France and a board member of the Global Covenant of Mayors for Climate & Energy, the world’s largest global alliance for city climate leadership. William Peduto is the mayor of Pittsburgh, Penn., and a board member of the Global Covenant of Mayors … read more

October 10, 2019

Google offers tool for cities to measure emissions

A tool Google offered in the US to help cities measure pollution and emissions levels is now available in Europe. It compiles transport and building data from Google Maps with publicly available information about emissions Google will initially offer the tool to Birmingham, Manchester, Wolverhampton and Coventry, Dublin and Copenhagen. It plans to add more … read more

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