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The Supreme Court’s decision today to take a fresh look at the scope of the Clean Water Act could impair EPA’s ability to protect isolated wetlands and ephemeral and intermittent streams.

California is in the heart of its wet season, and there’s no strong signal for rain through the end of January.

After a wet December, California water officials say state reservoirs likely will be able to provide cities and farms more than the scant emergency supplies initially projected for 2022.

As climate change causes extreme storms in some areas and intense drought in others, scientists are finding that beavers’ small-scale natural interventions are valuable.

A USA TODAY analysis of a century of precipitation data shows how, East of the Rockies, more rain is falling—and in more intense bursts.

Study Finds Resilient, Frequent-Fire Forests Have Far Fewer Trees

An estimated 370,000 Californians rely on drinking water that may contain high levels of the chemicals arsenic, nitrate or hexavalent chromium, and contaminated drinking water disproportionately impact communities of color in the state.

Fish need water. While minimum flows and other emergency-response approaches might save some fishes during crises, such “bucket-based” approaches are insufficient in the long-term.

Regions that never used to burn are now suffering from forest fires — and that raises the risks of dangerous mudslides that are hard to forecast.

Over the past 18 months, the state has acted to bolster drought and flood resilience across California. Governor Newsom's California Blueprint includes an additional $750 million in water investments with a focus on conservation, drought relief and protection of fish and wildlife.

Although 33.9 trillion gallons of water have fallen on the state since Oct. 1, that’s not enough to wash away our tenacious drought.

At first, barely visible beneath the rippling waters of Montezuma Creek in Forest Knolls, the bright red tail of a coho salmon suddenly emerged, splashing along the surface as it swam upstream.