National Wildlife Federation
A nine-mile (14.5-kilometer) do-it-yourself Wildlife Drive opens on Oct. 13, augmenting hiking trails and occasional bus and guided bike tours.
The Obama administration moved Tuesday to streamline the development of large-scale solar projects on public lands by approving 17 vast tracts across the West it says has the highest power-generating potential and the fewest environmental impacts.
U.S. Sen. Mark Udall says he wants the public to help him craft legislation that would create wilderness and national monument designations for two popular recreation areas in Colorado.
Two Colorado state legislators say a stable regulatory environment is what makes it possible for energy developers to do business.
A mysterious decline in pronghorn and mule deer along the Wyoming-Colorado border has the attention of a team of biologists who are gathering to investigate the change.
Environmentalists are trying to mobilize residents to push for measures to reduce the impacts of energy development.