The saga of the Klamath provokes a more fundamental, yet often ignored, set of questions: What is a river for? Irrigation?

The global destruction of wetlands, which support fisheries, agriculture and flood control, may mean the loss of $39 trillion ...

Clues from another dry spell 6,000 years ago are helping scientists understand what’s driving the latest one, and why it’s ...

The Southwest United States is currently facing its worst megadrought of the past 1,200 years. According to a recent study by ...