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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.

After a year of anxious waiting, scientists and researchers who’ve helped build one of the most successful species recovery programs in the nation have gotten a 13-year extension to finish their work.

Refrigerator filters are an attractive target for counterfeiters, who may also be putting consumers at risk by selling filters that are not merely ineffective, but unsafe.

Beaver reintroduction and restoration can help with some of the West's most profound water problems, both in terms of quantity and quality. A trial program is underway at Caribou Ranch in Boulder County.

With population growth around Denver prompting fierce competition for water, investors want to import a new supply from the San Luis Valley, but many farmers and ranchers who depend...

As climate change brings warmer weather, Westerners are looking for ways to protect the region's rivers and streams. In a special report for The Water Desk, Jerd Smith of...

Scientists fear that eventually the toxic residue of more than a century of agricultural runoff will be blown into the air — and into the lungs of residents.

As climate change brings warmer weather, Westerners are looking for ways to protect the region’s rivers and streams. In a special report for the Water Desk, Jerd Smith of Fresh Water News explains a strategy for safeguarding Colorado’s Yampa River.

Farmers, large and small, are beginning to grapple with what the state’s first major groundwater regulation means for them.

With talks looming on a new operating agreement for the river, a debate has emerged over the best approach to address its challenges.