Farms and cities use so much of the Colorado River's water that little remains for the river's own ecosystem. Will ...

Au Train dam owner and state regulators are scrambling to shutter a hydro powerhouse by a fast-approaching eviction deadline.

Artificial beaver dams are spreading across the Pacific Northwest. New research shows they may help rivers handle warming ...

When construction needs to take place somewhere that is submerged underwater, engineers use a series of large driven piles into the waterbed called cofferdams to create a dry workplace. In terms of ...