Environmental Law

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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Support the Environmental Law Program

We pair litigation with effective community organizing and strong local communications to build genuine, informed support from community members and government officials.

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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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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…

February 27, 2026

WASHINGTON, DC – Today, the Sierra Club released the first batch of communications and calendars received from the Department of the Interior in the wake of the organization’s lawsuit following the agency’s failure to respond to public…

February 18, 2026

Washington, DC – A broad coalition of health and environmental groups sued the Environmental Protection Agency today over its illegal determination that it is not responsible for protecting us from climate pollution and its elimination of rules…

February 12, 2026

Washington, DC – Today, in a brazen assault on the health and welfare of the American public, the Trump administration announced its rule revoking the Environmental Protection Agency’s longstanding greenhouse gas endangerment finding under the…

February 10, 2026

Washington, DC – Today, in a brazen assault on the health and welfare of the American public, the Trump administration announced that it will finalize its rule revoking the Environmental Protection Agency’s longstanding greenhouse gas…

10M+

acres of wilderness protected

200+

lawsuits filed to resist Trump

1K+

miles of dirty fuel pipelines blocked

390

coal plants retired