Water

With reservoirs brimming — but snowpack abysmal — experts warn of a potentially early fire season.

A record-baking heat wave is scalding California, with major consequences for the state’s most important reservoir: its snowpack.  Providing about a third of the state’s water supply, the Sierra Nevada snowpack is a vital source of spring and summer runoff that refills reservoirs when the state needs the water most.  But a warm wet storm […]

The Trump administration Tuesday announced $40 million for “planning and preconstruction activities associated with raising Shasta Dam.”

Even after legalization, illicit cannabis grows continue to pollute California’s public lands. And the contamination, new research shows, lingers.

A top California water official offers an inside look as the Trump administration referees a Colorado River stalemate.

In 2025, devastating California wildfires in LA became the state's most destructive. Climate goals faced federal opposition as Trump blocked clean-car mandates. Refineries closed, water conflicts intensified, and legislators passed compromises.

Atmospheric river threatens to unleash deadly debris flows through LA's wildfire scars. Officials warn: "Get out of the way." Evacuations are underway.

‘This is only going to hurt Americans.’ Scientists, California state officials say the Trump administration’s plans to dismantle a key climate science hub will put public safety at risk.

Even among experts the cost of water supplies is hard to pin down. A new study reveals huge differences in what water suppliers for cities and farms pay for water from rivers and reservoirs in California, Arizona and Nevada.

A new report estimates that California’s data centers are driving increases in electricity use, water demand and pollution even as lawmakers stall on oversight.