Mexico began sending more water to the U.S. to uphold its end of a nearly 80-year-old treaty that spells out how two ...

Enlarging Shasta Dam would deliver more Sacramento River water to Central Valley farmers but a tribe could lose sacred sites ...

Enlarging the dam would deliver more Sacramento River water to Central Valley farmers but a tribe could lose sacred sites and ...

The spill is atop Florida Mesa, hundreds of feet above the Animas River. Detectors are now finding benzene seepage in ...