Fresh Water

Industrial waste from a mill is leaching into the groundwater and polluting the Clark Fork River. A major flood could cause an even bigger catastrophe.

A new book from water expert Peter Gleick urges a rethinking of how we use, manage and value one of our most important resources.

An unconventional gathering helped spur ideas to speed the pace and scale of river restoration projects across the West.

We rely on freshwater plants and animals for clean water, food, recreation and other needs. And yet they’re often overlooked in conservation.

Researchers have found PFAS in the bodies of wild animals everywhere they’ve looked. Now they’re beginning to understand the health effects.

Accumulating sediment in reservoirs is affecting how much water dams can hold back to supply water for drinking, irrigation and flood control.

New research shows that these ecosystem engineers can be an “ally in stopping the decline of biodiversity.”

California’s recent floods show that we aren’t ready for the bigger storms that climate change will bring, an expert warns.

A bounty of much-needed new federal funds will help reconnect habit for freshwater and terrestrial animals.

To anticipate the impacts of a historic river restoration, we need to understand how salmon, bats, insects, algae and other parts of the ecosystem are behaving today.