Concrete used to rebuild bridges on the Front Range appears to be the culprit for the deaths of 5,600 trout and other fish.
Alaska’s attempt to intrude on federal wildlife refuges has incensed the U.S. Fish and Wildlife Service, for good reason.
A court ruling may force wolverines onto the endangered species list, and open the door for other animals threatened by climate change
A new approach to bison conservation focuses on many small herds on a patchwork of public and private land.
As the climate warms, mosquitoes thrive, and communities try to figure out how to prevent disease outbreak.
For an agency that researches non-lethal predator control, they sure kill a lot of critters. HCN writers discuss an agency trying to rethink its role.