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

Following the world’s hottest year on record and a series of increasingly intense and damaging environmental disasters, ...

The US Geological Survey released its assessment of potential for undiscovered oil and gas in formations under Wyoming and ...

The Lower Basin states of California, Arizona and Nevada are asking for a fresh look at proposals for sharing the shrinking ...

Trump’s early actions, including ordering the US Army Corps of Engineers to open two California dams, have led to concerns ...