Two student researchers were sent with chainsaws to a debris field above Silverton, Colorado, to collect tree-ring specimens for dendrochronologists looking for data about the avalanche cycle in Colorado. (Nina Riggio, Special to The Colorado Sun)

Acres of destruction left by Colorado’s historic avalanche season are also delivering climate change evidence

Researchers think secrets hidden in the rings of millions of felled trees may reveal the relationship between climate and avalanche cycles

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