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From Cal EPA, Office of Environmental Health Hazard Assessment CalEPA’s Office of Environmental Health Hazard Assessment ...

Driving across Highway 37 in the San Francisco Bay Area on the best of days already feels like driving on top of water. Buffeted on both sides by marshlands hosting egrets, herons, ducks and a handful ...

This story was originally published by CalMatters. Sign up for their newsletters. With California bracing for a wet winter, the state auditor warns that nearly a third of local agencies maintaining ...

Dozens of reports detail the growing threats of extreme heat, wildfires, drought, and rising seas – and provide communities with the science needed to prepare From the Governor’s Office of Land Use ...

UC Santa Cruz researchers are leaders on the regional report, which is part of a larger statewide effort to understand ...

The Golden State has a long history of cataclysmic floods. By Jeff Masters, Yale Climate Connections California’s ...

Groundwater basins can serve as large underground reservoirs, storing water during wet periods for use in drought years. When water rights and environmental requirements are met, excess flood flows ...

California’s coastal bluffs and beaches look rugged, but they can be surprisingly fragile in the face of a powerful El Niño. The state saw that in 1982-83, when storms amid one of the most destructive ...

Officials warn the framework could dry up the Central Arizona Project, which serves nearly 6 million people By Caitlin ...

A proposal by farmers in the Buena Vista Water Storage District to expand the district board in order to better represent farmers, and which will dilute the voting power of one large grower, was ...