Geography

As its trial date in water court approaches, hundreds of pages of depositions obtained by Aspen Journalism reveal state engineers’ sticking points regarding a proposed reservoir project they oppose in northwest Colorado.

Front Range water providers released water downstream to test how to get it to the state line in the event of a Colorado River Compact call.

After years of analysis and stalled negotiations, the federal government last month finally laid out its proposal for managing the Colorado River’s biggest reservoirs for the...

Scientists restore an endangered orchid to Arizona’s desert wetland.

After more than a decade of work, a federal cleanup project along the Colorado River in Utah is still removing radioactive uranium tailings that...

This page in our free multimedia library features photos of the record-low snowpack in southwest Colorado along U.S. 550, between Durango and Ouray. Like...

The most acute problem, experts say, is the lack of controls on groundwater pumping.

A science panel argues for a new approach to make research nimbler and more forward-looking to improve management in the ailing Delta.

Some water experts say unrealistic projections make it harder to plan for a future under climate change.

State Sen. Kevin Priola traveled to Israel in 2022 and came away with an idea: If the arid country can produce drinking water by...