7 public places under threat in Colorado
28 groups have them in their care
The defenders
12 groups are on the record for Colorado, in the order they carry the weight. Give directly; nothing routes through us.
Legal · Denver, CO
Joined the formal challenge to the January 2026 replacement lease sale and previously sued BLM over the Roan Plateau leases
Fighting for Colorado BLM Lease Sale
8 staff + 100 volunteers81¢ of every dollar to the workFounded 2007
Coalition · Durango, CO
Shaped the 2010 management plan, has fought oil and gas leasing decisions inside the monument for two decades, mobilized against the 2017 monument review, and states it continues to defend CANM.
Fighting for Canyons of the Ancients
9 staff + 20 volunteers89¢ of every dollar to the workFounded 1986
Legal · Santa Fe, NM
Named petitioner against the Uinta Basin Railway over habitat destruction in the basin
Fighting for Dinosaur·5 live federal cases across all their work
41 staff + 20 volunteers78¢ of every dollar to the workFounded 1996
Legal · Tucson, AZ
Led the coalition suit against the Uinta Basin Railway, whose oil trains would run the river corridors below the monument
Fighting for Dinosaur·20 live federal cases across all their work
242 staff + 19 volunteers88¢ of every dollar to the workFounded 1989
Advocacy · Oakland, CA
Part of the coalition that sued over the 2008 Roan Plateau leases, parcels now back on the auction block
Fighting for Colorado BLM Lease Sale and Dinosaur·6 live federal cases across all their work
10,895 volunteers81¢ of every dollar to the workFounded 1892
Advocacy · Washington, DC
Was a plaintiff in the 2002 Earthjustice settlement that constrained seismic exploration and deferred oil and gas leasing decisions inside the monument.
Fighting for Canyons of the Ancients and Colorado BLM Lease Sale·3 live federal cases across all their work
178 staff + 32 volunteers75¢ of every dollar to the workFounded 1935
Legal · San Francisco, CA
Represented San Juan Citizens Alliance and partners in a 2002 settlement that added archaeological and wildlife oversight to a seismic survey and deferred new oil and gas leasing in the monument pending the management plan EIS.
Fighting for Canyons of the Ancients·4 live federal cases across all their work
698 staff + 33 volunteers81¢ of every dollar to the workFounded 1971
Legal · New York, NY
Co-filer of the challenge over BLM’s failure to allow public comment on the sale
Fighting for Colorado BLM Lease Sale·2 live federal cases across all their work
829 staff + 5 volunteers76¢ of every dollar to the workFounded 1970
Advocacy · Washington, DC
Joined the March 2026 challenge to the replacement oil and gas lease sale
Fighting for Colorado BLM Lease Sale·4 live federal cases across all their work
165 staff + 80 volunteers71¢ of every dollar to the workFounded 1947
Stewardship · Golden, CO
They work only in Colorado
42 staff + 545 volunteers82¢ of every dollar to the workFounded 1994
Recreation · Golden, CO
They work only in Colorado
39 staff + 518 volunteers71¢ of every dollar to the workFounded 1912
Coalition · Durango, CO
They work only in Colorado
$75K revenue in 2023Founded 2014
On the ground in Colorado
The national muscle
The places
Each has its own page with the groups on the record for it. The most urgent first.
Critical threatDinosaur National MonumentBLM Q2 2026 lease sale targets 54,000+ acres near monument
Threat developingBrowns Canyon National MonumentMining interest in monument landsThreat developingCanyons of the Ancients National MonumentOil and gas drilling near archaeological sitesYour move
Their own site; they take gifts directly. Your dollar never passes through us.
Their site ↗SpeakComment and callOpen comment windows and call scripts for fights like this one, ready to send.
Public Lands Action NetworkFollowWatch the mapEvery threatened place in the country, tracked, with who stands for each.
Threatened Lands Map12 groups on the record, Rocky Mountain Wild with 8 staff + 100 volunteers. That is who is holding it. Find your way in.
