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U.S. Climate Alliance 2025 Annual Report | Pressing Forward | The Alliance’s 2025 Annual Report details how Alliance members are sustaining state-led progress, reducing GHG Emissions 24%, growing GDP by 34%, and driving historic clean energy and clean technology deployment in U.S.
U.S. Climate Alliance Releases Annual Report Detailing Sustained State-Led Progress, Path Forward Despite Obstacles
November 3, 2025

The U.S. Climate Alliance today released its Annual Report, Pressing Forward: Governors’ Enduring Fight for a Resilient and Sustainable Future, detailing how its members are achieving record climate pollution reductions, driving economic growth, building the clean energy and clean technology future, and charting a path forward to save Americans trillions of dollars.

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
September 4, 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.

Governors Newsom and Evers Appointed Co-Chairs of U.S. Climate Alliance, Governors Ferguson and Meyer Join Executive Committee | U.S. Climate Alliance
Governors Newsom and Evers Appointed Co-Chairs of U.S. Climate Alliance, Governors Ferguson and Meyer Join Executive Committee
May 8, 2025

The U.S. Climate Alliance today announced that California Governor Gavin Newsom and Wisconsin Governor Tony Evers have been appointed co-chairs of the Alliance. Together with New York Governor and outgoing Alliance co-chair Kathy Hochul, Delaware Governor Matt Meyer, and Washington Governor Bob Ferguson, they will serve on the Alliance’s executive committee.

As the Trump administration announced it will withdraw the U.S. from the Paris Agreement, the co-chairs of the U.S. Climate Alliance – New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham – today delivered a letter to UN Climate Change Executive Secretary Simon Stiell making it clear to the global community that climate action will continue in the U.S.
U.S. Climate Alliance to the International Community: “We Will Continue America’s Work to Achieve the Goals of the Paris Agreement” 
January 20, 2025

As the Trump administration announced it will withdraw the U.S. from the Paris Agreement, the co-chairs of the U.S. Climate Alliance – New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham – today delivered a letter to UN Climate Change Executive Secretary Simon Stiell making it clear to the global community that climate action will continue in the U.S.

COP29 | Baku, Azerbaijan | On the heels of the U.S. presidential election, the U.S. Climate Alliance led a delegation last week to the United Nations Climate Change Conference (COP29) in Baku, Azerbaijan, where founding member Washington Governor Jay Inslee and top state officials from California, New Mexico, and Maryland, reaffirmed America’s commitment to achieving the goals of the Paris Agreement through bold and sustained state-led climate action.
U.S. Climate Alliance Reaffirms America’s Commitment to Paris Agreement on Global Stage at COP29
November 21, 2024

On the heels of the U.S. presidential election, the U.S. Climate Alliance led a delegation last week to the United Nations Climate Change Conference (COP29) in Baku, Azerbaijan, where founding member Washington Governor Jay Inslee and top state officials from California, New Mexico, and Maryland, reaffirmed America’s commitment to achieving the goals of the Paris Agreement through bold and sustained state-led climate action.

The U.S. Climate Alliance today announced that New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham have been appointed co-chairs of the Alliance. They join Washington Governor and founding member Jay Inslee, California Governor Gavin Newsom and Wisconsin Governor Tony Evers on the Alliance’s executive committee charged with overseeing the strategic direction of the coalition.
Governors Hochul and Lujan Grisham Appointed Co-Chairs of U.S. Climate Alliance, Governor Evers Joins Executive Committee
May 9, 2024

The U.S. Climate Alliance today announced that New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham have been appointed co-chairs of the Alliance. Together with Washington Governor and founding member Jay Inslee, California Governor Gavin Newsom, and Wisconsin Governor Tony Evers, they will serve on the Alliance’s executive committee charged with overseeing the strategic direction of the coalition. 

As we close the curtain on 2023, the U.S. Climate Alliance is celebrating another year of bold, state-led climate leadership, partnership, ambition, and action.
All Hands on Deck: 2023 In Review
December 20, 2023

As we close the curtain on 2023, the U.S. Climate Alliance is celebrating another year of bold, state-led climate leadership, partnership, ambition, and action. In the face of increasing extreme climate impacts, it’s been all-hands-on-deck for the Alliance’s 25 governors.

Arizona Governor Hobbs | US Climate Alliance
Arizona Joins the U.S. Climate Alliance
July 11, 2023

Governor Katie Hobbs today announced that Arizona has joined the U.S. Climate Alliance, a bipartisan coalition of 25 governors committed to securing America’s net-zero future by advancing state-led, high-impact climate action.

The U.S. Climate Alliance today announced that Washington Governor and founding member Jay Inslee and Maine Governor Janet Mills have been appointed co-chairs of the Alliance. They will also join California Governor Gavin Newsom, and co-chairs elect New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham on the Alliance’s executive committee charged with overseeing the strategic direction of the coalition.
U.S. Climate Alliance Names New Co-Chairs, Executive Committee
May 5, 2023

The U.S. Climate Alliance today announced that Washington Governor and founding member Jay Inslee and Maine Governor Janet Mills have been appointed co-chairs of the Alliance. They will also join California Governor Gavin Newsom, and co-chairs elect New York Governor Kathy Hochul and New Mexico Governor Michelle Lujan Grisham on the Alliance’s executive committee charged with overseeing the strategic direction of the coalition.

As an action-packed year comes to a close, the U.S. Climate Alliance is taking a look back and highlighting a few of these key moments and reflect on the enormous progress we’ve made. We can’t wait to carry this momentum into 2023.
Full Speed Ahead: 2022 in Review
December 22, 2022

As an action-packed year comes to a close, the U.S. Climate Alliance is taking a look back and highlighting a few key moments and reflecting on the enormous progress we’ve made. We can’t wait to carry this momentum into 2023.

The State Guide to Enhance the Sector's Contribution to State and National Climate Goals offers sector-specific guidance and dozens of case studies to help integrate NWLs into state climate goals.
U.S. Climate Alliance Releases State Guide to Maximize Emission Reductions, Carbon Sequestration and Storage from Natural and Working Lands
November 29, 2022

The U.S. Climate Alliance today released a new resource — “Natural and Working Lands and Climate Action: A State Guide to Enhance the Sector’s Contribution to State and National Climate Goals” — to help states further reduce greenhouse gas (GHG) emissions and maximize carbon sequestration and storage from natural and working lands (NWLs).

After spotlighting state-led climate action on the global stage at the United Nations Climate Change Conference (COP27) in Egypt — alongside its delegation of more than a dozen top officials from five Alliance states, including Washington Governor Jay Inslee and New Mexico Governor Michelle Lujan Grisham — the U.S. Climate Alliance today vowed to carry this momentum into the new year.
U.S. Climate Alliance Spotlights State-Led Climate Action on the Global Stage at COP27, Vows to Carry Momentum Into 2023
November 18, 2022

After spotlighting state-led climate action on the global stage at the United Nations Climate Change Conference (COP27) in Egypt — alongside its delegation of more than a dozen top officials from five Alliance states, including Washington Governor Jay Inslee and New Mexico Governor Michelle Lujan Grisham — the U.S. Climate Alliance today vowed to carry this momentum into the new year.

Casey Katims is the Executive Director of the U.S. Climate Alliance.
U.S. Climate Alliance Names Casey Katims Executive Director
April 19, 2022

The U.S. Climate Alliance today announced that Casey Katims, who most recently served as Deputy Associate Administrator for Intergovernmental Relations at the U.S. Environmental Protection Agency (EPA), has been named Executive Director. The Alliance also announced that Taryn Finnessey has been promoted to Managing Director of the Alliance.

U.S. Climate Alliance 2021 Annual Report | Further. Faster. Together: Alliance states and territories are delivering on their climate commitments and are on track to meet 2030 and 2050 climate goals.
U.S. Climate Alliance Releases 2021 Annual Report, Details Pathway to Achieve 2030, 2050 Climate Goals Through Collective State-Federal Action
December 15, 2021

Weeks after announcing the next generation of high-impact climate actions its states will pursue to limit warming to 1.5 degrees Celsius at COP26, the U.S. Climate Alliance today released its annual report, “Further. Faster. Together.” which details how states are delivering on their climate commitments and finds that the U.S. and Alliance can achieve their 2030 and 2050 climate goals.

As the world’s leaders convene in Glasgow for the most consequential UN Climate Change Conference since Paris, the U.S. Climate Alliance today announced the next generation of “High-Impact Actions” its states will pursue to limit warming to 1.5 degrees Celsius and help achieve the U.S. nationally-determined contributions (NDC) and the Alliance’s 2030 and 2050 climate goals.
U.S. Climate Alliance States Commit to New High-Impact Actions to Achieve Climate Goals and Go Further, Faster, Together
November 7, 2021

As the world’s leaders convene in Glasgow for the most consequential UN Climate Change Conference since Paris, the U.S. Climate Alliance today announced the next generation of “High-Impact Actions” its states will pursue to limit warming to 1.5 degrees Celsius and help achieve the U.S. nationally-determined contributions (NDC) and the Alliance’s 2030 and 2050 climate goals.

News and updates from the U.S. Climate Alliance.
U.S. Climate Alliance Urges Federal Action on the Climate Crisis
November 12, 2020

The Executive Director of the bipartisan U.S. Climate Alliance today issued the following statement regarding the Alliance’s continued commitment to address climate change and how the election outcome has created an opportunity for the U.S. federal government, in close partnership with states, to restore national climate leadership.

U.S. Climate Alliance 2020 Annual Report | Leading the Charge: Alliance states and territories are building capacity to aggressively address the climate crisis despite federal rollbacks.
Coalition of 25 Governors, Leading Most Ambitious State Climate Agenda in U.S. History, Vows to Continue Climate Action
September 23, 2020

Today, the U.S. Climate Alliance released its annual report, “Leading the Charge: Working Together to Build an Equitable, Clean and Prosperous Future.” The report details the climate action and policy framework Alliance governors have built over the course of the past three years and sets forth recommendations to Congress and the federal government for national climate action.

News and updates from the U.S. Climate Alliance.
Joint Statement on North American Climate Leadership
September 13, 2018

At today’s Global Climate Action Summit, Canada, Mexico, and the U.S. Climate Alliance agreed to work together to achieve an ambitious climate agenda, and to report on our progress at the 2019 UN Secretary General’s Climate Summit.

News and updates from the U.S. Climate Alliance.
Julie Cerqueira Named New Executive Director of the U.S. Climate Alliance
January 30, 2018

The U.S. Climate Alliance today announced that Julie Cerqueira has been named the Alliance’s new Executive Director to support the Alliance states in the development and execution of strategy to drastically reduce greenhouse gas emissions consistent with the goals of the Paris Agreement.

News and updates from the U.S. Climate Alliance.
North American Climate Leaders Statement
November 13, 2017

Canada, Mexico, and the U.S. Climate Alliance, a bipartisan coalition of 15 U.S. Governors, stand together in a strong commitment to combat climate change and support clean growth across North America.

News and updates from the U.S. Climate Alliance.
CA Governor Brown, NY Governor Cuomo and WA Governor Inslee Announce Formation of U.S. Climate Alliance
June 1, 2017

In response to President Donald Trump’s decision to withdraw from the Paris Climate Agreement, California Governor Edmund G. Brown Jr., New York Governor Andrew Cuomo and Washington State Governor Jay Inslee today announced the formation of the United States Climate Alliance, a coalition that will convene U.S. states committed to upholding the Paris Climate Agreement and taking aggressive action on climate change.

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