During the last ice age, storms soaked the now-arid Southwestern U.S., while today's rainy Pacific Northwest remained ...

Tens of millions of people rely on water from the nation's largest reservoir, which is part of the Colorado River Basin.

The Earth's sea level is constantly increasing. A real flood may soon begin, because since 1880 the world’s ocean waters have ...

Demand for low-carbon nuclear energy could boost uranium prospects on Alaska’s Seward Peninsula. But residents of the small ...