U.S. Officially Exits the Paris Agreement: Implications and Reactions

On January 27, 2026, the United States officially exited the Paris Agreement, marking the second time President Donald Trump has withdrawn the nation from this pivotal climate pact. The Paris Agreement, which aims to limit global warming to well below 2 degrees Celsius above pre-industrial levels, has been a cornerstone of international climate cooperation since its inception. Trump's withdrawal follows a series of actions that have distanced the U.S. from global climate initiatives, including the recent announcement of plans to withdraw from the United Nations Framework Convention on Climate Change (UNFCCC).

How the US Is Abandoning Joint Climate Action Under TrumpSo long, Paris: US officially leaves landmark climate pactWhat’s Next for Global Climate Action After Trump’s Treaty Pullout?

Trump's first withdrawal from the Paris Agreement occurred in June 2017, during which he emphasized an "America First" approach, stating it was time to prioritize U.S. interests over international commitments. The formal exit took effect on November 4, 2020, the day after Joe Biden was elected president. Biden rejoined the agreement on his first day in office, but Trump's recent actions have escalated the U.S. retreat from international climate cooperation.

So long, Paris: US officially leaves landmark climate pact

White House spokesperson Taylor Rogers characterized the withdrawal as a victory for American values, asserting that the Paris Agreement undermined U.S. priorities and economic growth. Conversely, critics have expressed concern over the implications of this withdrawal. Frances Colón, a senior fellow at the Center for American Progress, remarked, “What I’m feeling and seeing is the world moving on without us.” Former EPA administrator Gina McCarthy called the departure “short-sighted, embarrassing, and foolish,” while former Secretary of State John Kerry described it as “a gift to China.”

So long, Paris: US officially leaves landmark climate pact

Critics argue that the U.S. withdrawal from the Paris Agreement and the UNFCCC cedes leadership in climate policy to other nations, particularly China. Loren Blackford, executive director of the Sierra Club, stated that this move hands over economic and political power tied to climate policy to China. Additionally, the lack of U.S. participation in international climate discussions has raised fears of diminished global climate action effectiveness.

So long, Paris: US officially leaves landmark climate pact

The legality of Trump's withdrawal from the UNFCCC remains contested. Some legal scholars argue that since the treaty was ratified by the Senate, a similar process should be followed for withdrawal. Others contend that the executive branch has the authority to exit treaties unilaterally. This uncertainty may lead to legal challenges against the administration's actions.

What’s Next for Global Climate Action After Trump’s Treaty Pullout?

As the U.S. steps back from its climate commitments, the role of states and cities in climate action is expected to grow. Many jurisdictions are implementing their own climate resilience plans, reflecting a public recognition of climate change's impact. The future of U.S. participation in global climate policy remains uncertain, but the ongoing actions of local governments may continue to shape the nation's response to climate change despite federal withdrawal.

What’s Next for Global Climate Action After Trump’s Treaty Pullout?

• “Thanks to President Trump, the U.S. has officially escaped from the Paris Climate Agreement which undermined American values and priorities, wasted hard-earned taxpayer dollars, and stifled economic growth,” — Taylor Rogers, White House Spokesperson

So long, Paris: US officially leaves landmark climate pact

• “What I’m feeling and seeing is the world moving on without us,” — Frances Colón, Senior Fellow, Center for American Progress

So long, Paris: US officially leaves landmark climate pact

• “Donald Trump may talk tough, but time and again he proves incapable of leading.” — Loren Blackford, Executive Director, Sierra Club

What’s Next for Global Climate Action After Trump’s Treaty Pullout?

• “Withdrawing from the UNFCCC is an abandonment of America’s opportunity to drive the global economy into the future, ceding jobs and economic growth to China and other countries,” — Loren Blackford, Executive Director, Sierra Club

What’s Next for Global Climate Action After Trump’s Treaty Pullout?

• “a strategic blunder that gives away American advantage for nothing in return.” — David Widawsky, Director, World Resources Institute

What’s Next for Global Climate Action After Trump’s Treaty Pullout?