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

Liza Mitchell, a natural resource planner and ecologist with Pitkin County, shows off the recent work on a restoration project at a fen on North Star Nature Preserve, on Aug. 26. This fiber mat is plugging an old ditch that drained water from the wetland to the Roaring Fork River.

Pitkin County launches project to restore ancient wetland at North Star Preserve near Aspen

A fen-restoration project aims to enhance the wetland’s ability to provide habitat, store and filter groundwater, and sequester carbon.

Hundreds of San Luis Valley farm wells at risk as state shortens deadline to...

Colorado's top water regulator is warning that a decision on whether hundreds of farm wells will be shut off to help save the Rio Grande River could come much sooner than expected.

Video: Five years after the Gold King Mine spill

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.

Concern over the “forever chemical” PFAS in water supplies is high, but remedies remain...

A synthetic chemical’s appearance in public water supply wells raises questions of how to protect the public from unknown health hazards.

As temperatures rise, Arizona sinks

The combination of groundwater pumping and warmer temperatures is shrinking aquifers and lowering water tables in Arizona.