July 21, 2026
WASHINGTON, D.C. — Conservation groups notified the Trump administration of their plans to challenge two rulemakings weakening the Endangered Species Act (ESA) that were finalized today.
Environmental Law Program
Environmental Law Program
The Environmental Law Program uses strategic legal campaigns to fight climate change, to protect clean air, water and wilderness, and to promote justice for communities threatened by pollution.
In the past year alone, we launched more than 200 legal actions to challenge the fossil fuel industry's destructive effects on our air, water, and climate.
About Our Program
Our team of top-notch attorneys and legal staff leverages all of the Club's tools of democracy, integrating legal advocacy with grassroots organizing, sophisticated communications, a state-of-the-art digital strategies team, and administrative lobbying.
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We pair litigation with effective community organizing and strong local communications to build genuine, informed support from community members and government officials.
Sierra Club ELP in Lake Tahoe
Our Staff
We are a team of professional attorneys and staff who combine sophisticated legal tactics with a commitment to social and environmental justice at the grassroots level. We pair litigation with effective community organizing and strong local communications to build genuine, informed support from community members and government officials, making courtroom victories sustainable over the long term.
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Press Releases
July 14, 2026
SEATTLE — Conservation groups today sued the Trump administration over its decision to strip endangered species of protections for the places where they live, a decision that contradicts all scientific and legal understanding of the importance of…
May 28, 2026
Washington, DC – Today, the Sierra Club released more than 35,000 comments submitted to the National Park Service in response to Donald Trump’s efforts to whitewash history on public lands via the executive order “Restoring Truth and…
April 30, 2026
Washington, DC – Today, the nation’s largest and most influential environmental advocacy organization weighed in on the Supreme Court’s 6-3 decision in Louisiana v. Callais that will further erode the landmark Voting Rights Act and dilute…
April 16, 2026
Washington, DC - Sixteen health and environmental groups have filed a petition with the U.S. Environmental Protection Agency outlining severe flaws in its rule to repeal the Endangerment Finding and motor vehicle climate pollution standards and…
10M+
acres of wilderness protected
200+
lawsuits filed to resist Trump
1K+
miles of dirty fuel pipelines blocked
390
coal plants retired