After decades of conflict, farmers and tribes say they’re working in concert to restore salmon habitat in the Klamath Basin. But two dams remain - one that blocks fish passage another that plays a key ...

A combination of water management practices has contributed to notable groundwater gains in Central Arizona despite the ...

The Maze District of Canyonlands National Park is around 30-square miles of rugged, remote red-rock canyon, twisted into a ...

A copper mine in British Columbia produces a metal the world needs to phase out fossil fuels. It holds promise — and danger.