An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Tour the San Joaquin River

An interactive map visualizes restoration efforts on the San Joaquin River.

Unclear waters: How pollution, diversions and drought are squeezing the life out of the...

The Arkansas Valley Conduit promises to bring clean drinking water to more residents of southeast Colorado.

Troubled waters

The Trump administration’s new definition of “waters of the United States” dramatically shrinks federal protection of many wetlands and waterways under the Clean Water Act. The rule change cuts red tape for farmers and developers but could threaten ecosystems and drinking water, especially in the arid West.