Purchase of Monte Rio Redwoods in Sonoma County will help California achieve its goal to protect 30% of lands and coastal waters by 2030.

Heavy rain from the latest atmospheric river triggered flood warnings in several Bay Area counties and evacuations in Santa Cruz County Thursday.

Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows. They have been particularly lethal in parts of California where landscape, climate, we ...

The Santa Cruz County Sheriff's Office placed several unincorporated low-lying areas under an evacuation warning Wednesday ...

Crews have rushed to clear out basins designed to catch mud, rocks and other debris from tumbling into neighborhoods as ...

Cliffs slope into the ocean in San Simeon, California. All along the state's dynamic coastline, land is inching down and up ...

The atmospheric river storm hitting Northern California brought heavy rain, flooding and mudslides to the San Francisco Bay Area on Tuesday. In the mountains, the National Weather Service has issued ...

Forecasters say 'Pineapple Express' storm will probably be beneficial for Los Angeles and Ventura counties, helping to reduce ...

Men push a vehicle on a flooded roadway near Muir Beach in Marin County on Tuesday. (Tayfun Coskun / Getty Images) ...

• 28th Street improvements — Pearl to Iris: This project will improve multimodal travel along 28th Street from Pearl to Iris. Northbound 28th and Valmont Road RTD Stop #17992 serving 205 and ...