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For decades, they've been told to rip out the Guiera senegalensis shrub. But now there's a new philosophy: The scrappy green plant could be the key to a better harvest.

Saving the centuries-old trees in Yosemite's famed Mariposa Grove took hard work from firefighters but also half a century of intentional fires.

The U.N. Security Council failed in two rival votes Friday to extend humanitarian aid deliveries from Turkey to 4.1 million Syrians in the rebel-held northwest.

The Biden administration said Wednesday it is hiring more federal firefighters — and immediately raising their pay — as officials ramp up response efforts in the face of a severe drought that is setting the stage for another destructive summer of intense wildfires across the West.

People are likely to be confused by common terms such as "mitigation" and "carbon neutral," according to a recent study. How can scientists do a better job communicating about global warming?

UN nations have pledged to reduce climate-changing methane and forest destruction within 10 years. California has been trying to handle both problems, with limited success.

A dynamic storm was forecast to generate strong winds and significant precipitation across San Diego County as it moves inland Tuesday.

The city of Oceanside held a ribbon cutting ceremony for the first advanced water purification facility in San Diego County.

About a thousand beehives worth hundreds of thousands of dollars have been reported stolen across California in the past few weeks.

Phase 1 of the city's Pure Water program started Friday, intended to provide nearly 50% of the city's drinking water by 2035 and reduce the need for imported water.