Fresh Water

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.

Better accounting can go a long way in establishing sound policy to tackle the climate crisis.

A 10,000-acre logging project threatens endangered species, recreation and nearby communities.

A growing movement across the continent is working to remove thousands of barriers and restore some of the world’s most fragmented rivers.

Subsidized water cultivated the West, but this required becoming increasingly profligate with the region’s scarcest resource.