Along California’s 1,000‑mile shoreline, a new generation of maps is turning an abstract climate threat into something uncomfortably specific: street‑by‑street projections of which neighborhoods could ...

Add Yahoo as a preferred source to see more of our stories on Google. Lake Tahoe is seen on the north shore near Incline Village, Nev., in 2013. At the same time, California itself has faced growing ...

A form of harmful air pollution that often can't be plainly observed is now being tracked with a groundbreaking new tool developed by scientists that allows residents to see where it's coming from.

The aerial view looks west toward the the Patterson Reservoir and Patterson Pass-Alameda County Water Plant, located beside the South Bay Aqueduct, part of the California State Water Project in ...