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.
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.
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.
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.
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.
Portland, ME – The Sierra Club has rescinded its endorsement of Graham Platner and called on him to withdraw from the Senate race.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.
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.
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.
Barstow, CA — A coalition of conservation and environmental justice groups sued the city of Barstow today for approving a 5,000-acre rail yard and warehouse project that will worsen already poor air quality and destroy desert habitat without performing the required environmental reviews.
The July 1 lawsuit, filed in San Bernardino County Superior Court, asserts that the city failed to evaluate and mitigate the project’s multiple environmental harms and violated the California Environmental Quality Act.
Washington, D.C. - One year after Donald Trump signed the Republicans’ ‘One Big Beautiful Bill’ into law, Americans continue to face soaring energy bills, more toxic emissions, and continued economic stability.