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Press Release: Victory September 10, 2026

Colorado PUC Strengthens Black Hills Clean Heat Plan, Requires Beneficial Electrification Offerings for Customers

Decision ensures customers of one of CO's largest gas-only utilities have access to the same opportunities to electrify their homes
Press Release September 9, 2026

Colorado Department of Transportation Finalizes Misguided Plan to Widen I-270

Community-supported alternatives to widening are rejected
document September 9, 2026

Black Hills Clean Heat Plan Decision

The Colorado Public Utilities Commission (PUC) approved a portfolio of Clean Heat Plan programs to help Black Hills Colorado Gas customers heat their homes more efficiently, comfortably, and affordably while…
Press Release September 8, 2026

Conservation Groups Challenge Oil and Gas Lease Sales in Big Game Migration Corridors

Lease sales in Colorado and Wyoming threaten sensitive public land resources and habitat
document September 8, 2026

Complaint: Oil and Gas Lease Sale in Colorado and Wyoming

Conservation groups filed suit over the Trump administration’s approval of two large oil and gas lease sales in Colorado and Wyoming, which threaten big game migration corridors and pristine, wilderness-quality…
In the News: Outside Magazine September 3, 2026

Patagonia Joins Environmental Groups in Suing Trump Over Bears Ears

Tom Delehanty, Attorney, Rocky Mountain Office: “The fact that mining companies couldn’t even wait for the 60-day delay to pass speaks volumes about the risk of harm to the monuments’ irreplaceable cultural sites, unique wildlife, and scenic landscapes.”
Bears Ears National Monument. (Steven St. John for Earthjustice)
Press Release September 2, 2026

Conservation Groups Challenge Trump’s Decimation of Two National Monuments in Utah

Supplemental complaints to reactivate 2017 monuments litigation in D.C. District Court
document September 2, 2026

Grand Staircase-Escalante: Motion to Reopen and Lift Stay

Conservation groups challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
document September 2, 2026

Bears Ears: Motion to Reopen and Lift Stay

Conservation groups challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
document September 2, 2026

Grand Staircase-Escalante: Motion for Leave to Amend and Supplement

Conservation groups challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
document September 2, 2026

Bears Ears: Motion for Leave to Amend and Supplement

Conservation groups today challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
document September 2, 2026

Grand Staircase-Escalante: Complaint

Conservation groups challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
document September 2, 2026

Bears Ears: Supplemental Complaint

Conservation groups challenged President Trump’s July 2026 unlawful decimation of Bears Ears and Grand Staircase-Escalante National Monuments in Southern Utah.
The vibrant colors of Grand Staircase-Escalante National Monument. (Getty Images)
Update September 2, 2026

Earthjustice Sues Trump Admin Over Illegal Move to Slash National Monuments by Nearly 3 Million Acres

The administration is targeting Utah’s Bears Ears and Grand Staircase-Escalante National Monuments, attempting to shrink both monuments to less than 10% of their current size.
Press Release August 25, 2026

Recreation, Conservation Groups Unite Against Forest Service Travel Rule Rollback

Proposal would gut protections for fish and wildlife, create chaos for public lands users
document August 21, 2026

RAQC – Clean Deliveries Rule CO

Earthjustice sent a letter on behalf of Womxn From The Mountain, GreenLatinos, Mountain Mamas, Western Resource Advocates, GRID Alternatives, Conservation Colorado, and Colorado Sierra Club urging the Regional Air Quality…
A cultural site in Bears Ears National Monument. (© Tim Peterson)
Press Release August 20, 2026

Utah Senator Mike Lee Wants to Speed Up the Destruction of Bears Ears National Monument

Piling on top of Trump’s proclamation, Lee could soon fast-track an attempt to rip up the monument's land-use plan, which reflects a historic collaborative management process with five Tribal Nations
In the News: Yahoo August 19, 2026

Denver can require electric appliances in new buildings after judge rejects gas challenge

Emma Hardy, Attorney, Rocky Mountain Office: “This decision correctly recognizes that Denver and other local governments have authority to regulate the use of polluting gas appliances in homes and buildings.”