Rivers

New research finds only a small portion of the nation’s rivers may be able to maintain today’s diversity of fish and other aquatic wildlife as the climate warms.

More than a century after the Mountain West’s silver and gold rushes, mercury used to process those metals is still moving through a northern Nevada river system and showing up in local wildlife.

A new study in the journal Science suggests rivers in the arid American West may be doing something unexpected: absorbing carbon dioxide from the atmosphere. The finding could reshape how scientists model climate change.

Colorado rivers are likely to see flows well below average thanks to rapidly melting snowpack and high temperatures.

The Uncompahgre may have a legal guardian in its future after a town vote, though critics of “rights of nature” resolutions call "personhood for the river" an empty gesture and a paradise for lawsuits from angry property owners.

Because the river is classified as impaired, city officials expect that when CDPHE issues a new discharge permit for the city’s wastewater-treatment plant, it will include more-stringent water temperature standards.

Most people know Estes Park as the gateway to Rocky Mountain National Park, but the small town and its rivers have attracted tourists for decades.

The Arkansas River has given Pueblo its all since the earliest settlers fished its waters, and the Front Range river town has been trying to take more and more ever since.

Farming is the lifeblood of Alamosa, but drought is challenging residents trying to scratch out a living along the Rio Grande.

States in the Colorado River Basin are ready to begin negotiating policies to govern the critical Western water source.