Geography

A recent study of a Colorado demand-management program found that the benefits would be comparable to the negative secondary impacts.

This page in our free multimedia library features aerial photos of the snowpack in the San Juan Mountains of southwest Colorado. The San Juans are mostly located in southwest Colorado...

This page features aerial photos of Theodore Roosevelt Lake and Theodore Roosevelt Dam, along the Salt River east of Phoenix. Roosevelt Dam, which rises 357 feet, was the first structure completed as a part of...

This page in our free multimedia library features aerial photos of the Rio Grande's headwaters in southwest Colorado. The Rio Grande begins in the San Juan Mountains and travels some...

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

Drought and climate change are raising concerns that a century-old compact that divided the river’s waters could force unwelcome cuts in use for the upper watershed.

As Aspen evolved from a bucolic high-mountain meadow to an industrial city, pollution began to flow directly into the Roaring Fork River and its tributaries.

Mario Atencio’s family never received a notification that 1,100 barrels of produced water—a byproduct of oil and gas extraction—had spilled on their allotment in February 2019 near Counselor, New...

Dry conditions and federal deadlines not working like in the past

BECLABITO, N.M. – Standing in a breezy parking lot on Navajo land in the state’s far northwest corner, Tom Taylor looked toward the western horizon and then upwards at...