California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

City officials weigh removal, replacement, or repair of deteriorating Saline River Dam as new study explores costs and ...

A groundbreaking study has revealed that brown trout can successfully navigate beaver dams -- obstacles which were previously thought to pose a significant barrier to their movement.

This was not an easy post to write. It is tough to pick the 29 most beautiful cities in United States – there were so many ...

The effects are immediate and dramatic. Scientists witness unexpected changes in rivers after knocking down dams: 'We didn't ...

Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that ...