Biodiversity

A farmer and environmentalist formed an unlikely partnership to improve fish habitat in the San Luis Valley.

Endangered fish in the Yampa River may benefit as coal-fired power stations close in the next 10 to 15 years.

In Arizona, finding water in the wilderness means discovering a source of life. 

After a year of anxious waiting, scientists and researchers who’ve helped build one of the most successful species recovery programs in the nation have gotten a 13-year extension to finish their work.

As Colorado grapples with a demand-management program, there could be unintended consequences for animals that use irrigated agriculture for habitat.

A monitoring program is trying to ensure that Aspen Skiing Co.’s increased water use for snowmaking won’t harm area creeks.

Dust suppression and habitat restoration are key elements in a plan to aid the Salton Sea, whose ills have been a sore point in Colorado River management.

Restoring natural infrastructure, such as beaver habitat and the wetlands it creates, could shield communities from damaging floods, remove toxins and high sediment loads from water, and reduce the apocalyptic effects of megafires.

Population growth, agricultural withdrawals and climate change have badly diminished the river and threaten its future.

The razorback sucker has survived in the river for more than 3 million years. Climate change could end that.