Colorado River

The move, by the Colorado River Indian Tribes in Arizona and California would give rights of nature to the water, marking a historic first.

New data from the Bureau of Reclamation puts the river and its reservoirs in formal shortage conditions. Policymakers are stuck on ways to fix that in the years to come.

The clock is ticking for Wyoming and other Colorado River Basin states to decide how to split up shrinking water supplies, and some conservationists are reconsidering a centuries-old water distribution tradition at work across the arid American West.

States that use Colorado River water need to agree on new rules for sharing it by 2026. If they don't, they will likely end up in messy court battles.

Spring heat waves could mean increased fire danger and more strain on water supplies.

Utah lawmakers have given the state more voice in negotiations over the Colorado and Bear rivers. The move, however, has some environmentalists concerned about the sensitive multi-state agreements that govern the rivers.

Disagreement, bickering, and uncertainty defined 2024 for the Southwest's shrinking water supply.

Ancient rainstorms may have sculpted the red planet, similar to the monsoon rains that helped shape the Southwest’s landscape

The Biden Administration's Interior Department released proposals for managing the river in an apparent attempt to nudge the states toward agreement.

Water managers across the West say they do not expect a new Trump administration will alter post-2026 Colorado River talks.