Geography

The proposed Copper World Complex mine is carving roads and berms that will impact wildlife and waterflow.

Colorado’s reservoirs are 25 percent lower than they were last year at this time, as a hot, dry summer continues into the fall.

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

Terry Fulp, Regional Reclamation Director, urges continued collaboration and cooperation to meet the river's tough water management challenges ahead

Once criticized for being a profligate user of water, fast-growing Phoenix has taken some major steps — including banking water in underground reservoirs, slashing per-capita use, and recycling wastewater — in anticipation of the day when the flow from the Colorado River ends.

Wyoming’s water chief wants emergency funds for hydrologists to measure flows in the state’s portion of the troubled Colorado River Basin, documentation he said...

Colorado lawmakers have approved a bill to help regions comply with obligations to deliver water to Kansas, Nebraska, Texas and New Mexico.

Colorado could need 750,000 acre-feet of new water supplies by 2050 for its growing population, but how to store that water isn’t clear.

This page features photos of Theodore Roosevelt Lake and Theodore Roosevelt Dam, along the Salt River east of Phoenix. Roosevelt Dam, which rises 357 feet,...

Glen Canyon Dam, climate change and invasive plant species are threatening the Colorado River.