This article was supported by Rolex, which is partnering with the National Geographic Society to shine a light on the challenges facing the Earth’s critical life-support systems through science, ...

Nearly two billion people globally rely on mountain water for drinking and irrigation, but this water source is under threat due to global heating. Mountainous regions are particularly impacted by the ...

Water security in mountain regions relies on a broader understanding of the complex interlinks of water supply and demand that goes far beyond the study of glacier melt. Water security in mountain ...

In mountain regions like the Rockies, headwater streams make up more than 70% of the river network and support the downstream waterways and communities. These headwaters are also home to many forms of ...

Global water consumption has increased almost fourfold in the past 100 years, and many regions can only meet their water demand thanks to essential contributions from mountain regions. In 30 years, ...

PATAGONIA, Arizona—Deep in the Patagonia Mountains, puffs of cool air from a cavernous natural spring interrupt the desert heat. The water bubbles up from an underground aquifer and trickles into Alum ...

Lake Mead’s vanishing waters are exposing a long-hidden mountain landscape — as the infamous reservoir creeps within inches of an ominous new record. The lake’s surface has plunged to just 1,041.84 ...