Water

Flash flood chaser
Flash flood chaser
One man’s obsession improves forecasting in southern Utah.
Don’t drink the water
Don’t drink the water
Portland’s fluoridation battle shows how tricky it is to integrate science into debates that have as much to do with values as policy.
Watershed moment
Watershed moment
The U.S. and Canada prepare to renegotiate the 50-year-old Columbia River Treaty.
Drought, Glen Canyon Dam, climate change and God
Drought, Glen Canyon Dam, climate change and God
Stopping by the dam during a days-long experimental flood, it's clear that even this massive feat of engineering can't fix the arid West.
A review of Our Beautiful, Fragile World: The Nature and Environmental Photographs of Peter Essick
A review of Our Beautiful, Fragile World: The Nature and Environmental Photographs of Peter Essick
Essick's photographs for National Geographic cover the issues of the West, and the world.
New Hope for the Delta
New Hope for the Delta
During the worst drought in more than a century, the Colorado River may flow to the sea once more.
How does the Colorado River drought stack up?
How does the Colorado River drought stack up?
It’s one of the worst of the millennium.
The Colorado River Basin and Delta
A delta reborn in drought
A delta reborn in drought
Even as the Southwest teeters on the edge of a radically drier future, a rare opportunity to revive the Colorado River Delta has emerged in an agreement hashed out between Mexico, the U.S. and some of West's most powerful – and thirsty – water agencies.