Key areas
Major Programmes
Climate Week NYC
Showcasing amazing climate action
24/7 Carbon-Free Coalition
Powering a carbon-free future
ConcreteZero
Creating a market for net zero concrete
Smart Energy Coalition
A growing group of energy-smart companies committed to improving their energy efficiency.
EV100
Our global network of corporate leaders driving the transition to zero-emission road transport
RE100
The world’s most influential companies, committed to 100% renewable power
SteelZero
Building demand for net zero steel
Under2 Coalition
Driving climate action in states and regions
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Subnational governments—states, regions, provinces, territories, and cities—are on the frontlines of climate action. They’re closest to communities, understand local needs, and often hold the practical solutions to decar...
This year’s conference, “Accelerating Just Transition and Climate Action”, brings together international climate experts, policymakers, civil society organisations, and business leaders, to share insights and strengthen ...
The message from our European states and regions is clear – they're not waiting for permission to act. They’re already delivering, working closely together.
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As global finance leaders convene at the Fourth International Conference on Financing for Development (FfD4), subnational governments – nearly 200 states, regions, devolved administrations, and provinces in the Under2 Co...
Newly elected President of the Republic of Korea, Lee Jae-myung, has kicked off a pivotal new chapter for climate in South Korea. Referencing the importance of RE100 in his inaugural address, throughout the campaign the ...
COP30 Action Agenda: A clearer path for climate implementation through subnational governments
Q&A: An Interview with Lars Grotewold, Director at Stiftung Mercator
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Climate action has never been more urgent, and subnational governments across Asia are stepping up to lead the charge.
Turning Climate Plans into Capital: Brazilian States Show the Way
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As the world looks for greater momentum in the fight against the climate crisis, Asia is stepping-up and scaling-up. At the heart of this are subnational governments – that's states, provinces and regions who form the ba...
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Today, on Earth Day 2025, we're proud to celebrate a major milestone for climate leadership: seven of the eleven featured leaders in the United Nations' new Local Leaders series are members of the Under2 Coalition.
States, regions and cities lament failure of global shipping levy talks
To understand the steps Indian states are taking on climate change, we’re organising strategic convenings, dialogues and high-level forums. The Subnational Leadership Interview series is among our efforts to shine a ligh...
How state and regional governments plan for and spend their budget is a statement of intent. It can be a powerful tool to cut harmful emissions too. The second module of Next Generations Green Budgeting course was on gre...
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In a fast-changing world where many national governments are shying away from taking measurable climate action, the role of state, regional and devolved governments is becoming increasingly important in the fight against...
