States
United for
Climate Action

The U.S. Climate Alliance is a bipartisan coalition of 24 governors securing America’s net-zero future by advancing state-led, high-impact climate action.

The U.S. Climate Alliance is a bipartisan coalition of 24 governors securing America’s net-zero future by advancing state-led, high-impact climate action.
54% of the U.S. Population
57% of the U.S. Economy

Alliance Members

Alliance members are committed to achieving the goals of the Paris Agreement.

Select a member to learn more about their climate action and leadership.

Latest From The Alliance

Press Release | 2025

COP30-Local Leaders Forum | Rio de Janeiro, Brazil | In the absence of federal leadership, the U.S. Climate Alliance took to the global stage this month at the UN Climate Change Conference (COP30) in Brazil and reaffirmed to the world that America’s climate progress will continue. | Photo credit: Bloomberg Philanthropies.
U.S. Climate Alliance Spotlights Strength and Durability of American State-Led Climate Action at COP30 in Brazil

In the absence of federal leadership, the U.S. Climate Alliance took to the global stage and reaffirmed that America’s climate progress will continue.

Press Release | 2025

The governors of Wisconsin and Hawaiʻi have joined the Affordable Clean Cars Coalition — a growing partnership among governors to help sustain America’s transition to cleaner and more affordable cars, support U.S. automotive manufacturers and workers, and safeguard states’ clean air authority.
Wisconsin and Hawaiʻi Governors Join Affordable Clean Cars Coalition

13 Governors are now collaborating to help more Americans access and afford clean cars.

Press Release | 2025

The U.S. Climate Alliance today released new analysis showing its members have collectively reduced net greenhouse gas emissions 24 percent below 2005 levels, while increasing their collective GDP by 34 percent.
U.S. Climate Alliance Convenes Top Governors at Climate Week NYC, Announces Major Leap Toward Meeting Climate Pollution Reduction Target

Alliance members have collectively reduced net greenhouse gas emissions 24 percent below 2005 levels.

Press Release | 2025

Alliance co-chairs California Governor Gavin Newsom and Wisconsin Governor Tony Evers issued a statement in response to U.S. Environmental Protection Agency (EPA) actions to shutter its scientific research office and repeal a longstanding determination on the causes and harms of climate change.
U.S. Climate Alliance on EPA’s Climate Denial and Science Office Closure: “Americans Deserve the Truth”

California Governor Gavin Newsom and Wisconsin Governor Tony Evers respond to recent EPA actions.

Our Work

The Alliance Secretariat helps members accelerate high-impact climate action by providing a broad range of technical, analytical, policy, and capacity assistance and resources. Learn more about our team of climate experts, the reports and guides we publish, and the programs and initiatives we lead.

Our Work at the U.S. Climate Alliance | Annapolis Rock, Maryland

Our Work

The Alliance Secretariat helps members accelerate high-impact climate action by providing a broad range of technical, analytical, policy, and capacity assistance and resources. Learn more about our team of climate experts, the reports and guides we publish, and the programs and initiatives we lead.