In response to the U.S. federal government’s decision to withdraw the United States from the Paris Agreement on climate change, Governors Andrew Cuomo, Jay Inslee, and Jerry Brown created The United States Climate Alliance. This bi-partisan coalition of states is committed to the goal of reducing greenhouse gas emissions consistent with the goals of the Paris Agreement. Smart, coordinated state action can ensure that the United States continues to contribute to the global effort to address climate change.


Alliance Principles

States are continuing to lead on climate change: Alliance states recognize that climate change presents a serious threat to the environment and our residents, communities, and economy.


State-level climate action is benefitting our economies and strengthening our communities: Alliance members are growing our clean energy economies and creating new jobs, while reducing air pollution, improving public health, and building more resilient communities.


States are showing the nation and the world that ambitious climate action is achievable:  Despite the U.S. federal government’s decision to withdraw from the Paris Agreement, Alliance members are committed to supporting the international agreement, and are pursuing aggressive climate action to make progress toward its goals.

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U.S. Climate Alliance Annual Report: Alliance States Take the Lead
The Alliance was formed in response to the U.S. federal government’s decision to withdraw from the Paris Agreement, and we remain committed to meeting our share of the U.S. target under that agreement – a 26-28% reduction in greenhouse gas emissions below 2005 levels by 2025. In our first U.S. Climate Alliance Annual Report, we take stock of the progress we are making towards achieving that objective and discuss future initiatives that will help us meet or exceed our goal. 

In the News


U.S. Governors Head to Germany to Reassure Global Leaders of American
Leadership on Climate Change


Ten More States Join U.S. Climate Alliance in Wake of Paris Withdrawal

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New York, California and Washington on Climate Alliance (stick to Paris Agreement regardless of Withdrawal)

Press Releases

November 14

U.S. Climate Alliance partners with Resources for the Future and the Climate Impact Lab on calculating cost of climate damages

November 13

North American Climate Leaders Statement

November 6

U.S. Governors Head to Germany to Reassure Global Leaders of American Leadership on Climate Change

October 9

U.S. Climate Alliance statement on EPA repeal of Clean Power Plan

September 20

Governors Report 14 States and Puerto Rico are ‘On Track’ to Hit Paris Climate Targets, New Report

Gov. John Hickenlooper signed an executive order committing the state to climate action and announced that Colorado will join the U.S. Climate Alliance

July 11

June 5

United States Climate Alliance adds 10 new members to coalition committed to upholding the Paris Accord

June 1

CA Governor Brown, NY Governor Cuomo and WA Governor Inslee Announce Formation of U.S. Climate Alliance

Climate Clearinghouse

Responding to climate change requires data-driven coordination. Although numerous climate mitigation and adaptation efforts are underway across different U.S. states, regions, and jurisdictions, there have been limited opportunities to coordinate and integrate these efforts. To address this need, the U.S. Climate Alliance will, over the next year, build the U.S. Climate Alliance Clearinghouse— a website that aggregates climate tools, data, and information for use by policymakers and the public. By facilitating greater regional cooperation, the U.S. Climate Alliance will enhance the capacity of our members to take measurable action independently and collectively to stop climate change. 


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