Geography

A well-connected metro Denver water developer is proposing to export millions of gallons of water from the San Luis Valley to Douglas County.

Environmental correspondent Laura Paskus revisits the Gold King Mine spill and the destructive impact of the toxic orange plume that went flowing down the Animas and San Juan rivers five years ago.

Water leaders from each of the Colorado River basin states will soon meet for the annual Colorado River Water Users Association Conference.

Confronted with the specter of a New Mexico parched by climate change, some have begun to push back against a water model that focuses primarily on putting as much water to use as possible.

Upper basin states seek added leverage to protect their river shares amid difficult talks with California and the lower basin

Colorado water quality regulators’ attempt to fast-track new rules shielding streams left unprotected by changes to the Clean Water Act was abandoned earlier this month after it failed to win support from lawmakers.

This page contains photos from the Laboratory of Tree-Ring Research in the University of Arizona’s College of Science. The Laboratory of Tree-Ring Research is a global hub of dendrochronology: the...

Lake Powell faces demands from stakeholders with different water needs as runoff is forecast to decline due to warmer, drier conditions.

A $1 million science experiment on Colorado hay fields is backed by powerful water groups, farm interests, and environmentalists.

Colorado could soon have a program that would pay property owners to get rid of one of the largest water uses for Western Slope water providers: grass.