Colorado Parks and Wildlife biologists prepare tiny greenback cutthroat trout to be transported up Herman Gulch on Wednesday, Sept. 26, 2018. (Jesse Paul, The Colorado Sun)

First efforts to revive populations of Colorado’s state fish seemed fruitless. Then the greenback cutthroat trout surprised everyone — again.

The species -- previously considered extinct -- is thriving in Herman Gulch, off Interstate 70, after initial stocking attempts now appear to be successful

Environment Primary category in which blog post is published
Environment Primary category in which blog post is published

Wildlife roam where U.S. once made nuclear and chemical arms, like at Colorado’s Rocky Mountain Arsenal and Rocky Flats

An astonishing array of animals and habitats flourished on six obsolete weapons complexes — mostly for nuclear or chemical arms — because the sites banned the public and other intrusions for decades

Energy Primary category in which blog post is published

Fearing Tri-State could duck clean-energy goals, Colorado utilities commission files unprecedented protest

For the first time in at least 25 years, state regulators move to stop a migration, saying the interstate power provider has too much unfinished business here

Opinion: Funding for public lands remains in jeopardy

Congress needs to include full, permanent, mandatory funding for the Land and Water Conservation Fund

Opinion