Press Releases

July 9, 2026

Austin, Tex. – On Tuesday the Trump Administration’s Environmental Protection Agency proposed cutting the public out of air pollution permits for “minor sources,” which includes the large diesel generators that many data centers in Texas use.

July 9, 2026

WASHINGTON, D.C. — Today, Trump’s Environmental Protection Agency released a proposal that would weaken clean truck pollution standards that protect Americans from dangerous air pollution.

July 8, 2026

Phoenix, Ariz. – The Arizona Corporation Commission today took a final vote to eliminate Arizona’s Electric Energy Efficiency Standards (EES), finalizing a repeal process that it started in 2025. The EES requires utilities like Arizona Public Service (APS) and Tucson Electric Power (TEP) to offer cost-effective programs that help Arizonans conserve energy and lower electric bills. 

July 8, 2026

ATLANTA – The Environmental Protection Agency has proposed cutting the American public out of air pollution permits for “minor sources,” which includes the tractor trailer-sized diesel generators used by data centers for backup power. EPA’s proposal removes any requirement for transparency or public participation for “minor source” pollution sources, including most data centers.

July 7, 2026

WASHINGTON, D.C. - Right before the July 4th weekend, Donald Trump pardoned nine mechanics that were convicted for tampering with vehicle pollution controls on heavy-duty vehicles. Each of the mechanics is responsible for violations on anywhere between a dozen and hundreds of thousands of vehicles.

July 7, 2026

WASHINGTON, D.C. – The Environmental Protection Agency proposed cutting the American public out of air pollution permits for “minor sources”, which includes the tractor trailer-sized diesel generators used by data centers. EPA’s proposal removes any requirement for transparency or public participation for minor source pollution sources, including most data centers.   

July 7, 2026

WASHINGTON, D.C. - Yesterday, the Sierra Club joined partners in opposing the Trump EPA’s proposal to weaken vehicle pollutant standards by delaying the implementation of more protective standards by two years. 

July 7, 2026

Portland, ME – The Sierra Club has rescinded its endorsement of Graham Platner and called on him to withdraw from the Senate race.

In response, Sierra Club Political Director Sarah Burton released the following statement:

“The Sierra Club’s thoughts are with Jenny Racicot for courageously sharing her story. Victims of sexual violence must be listened to and provided our caring and support. Their lives are not for political gamesmanship.

July 2, 2026

San Francisco, CA  – The Ninth Circuit Court of Appeals today upheld South Coast Air Quality Management District (SCAQMD) zero-emission standard for boilers and water heaters, rejecting an industry challenge to a landmark clean air rule that will clean up pollution from industrial and commercial equipment.

July 2, 2026

Denver, CO — Today the Sierra Club Colorado Chapter announced its endorsement of Attorney General Phil Weiser for Governor of Colorado, a candidate who has demonstrated a clear commitment to Coloradans, a track record of proven leadership, and understands the urgency surrounding our climate.