SACRAMENTO, Calif. (AP) — Several environmental groups are suing California air regulators over their recent update of a ...

The diversity within plant families can be remarkable. For example, diverse species such as poison ivy, cashews and mangoes ...

California's native wildflowers are being smothered by layers of dead, invasive grasses. A new UC Riverside study shows that ...

Big Tech's power needs for AI computing keep growing, but geothermal sources may have to take a back seat to natural gas plants as major oil companies step up investment in them.

More than half of cannabis smoking products in California’s legal market contain chemicals for which there is no public ...

La Brea Tar Pits scientists have identified a previously unknown juniper species as Juniperus scopulorum, commonly known as ...

Scientists have successfully identified a previously unknown species to Southern California from fossilized seeds, revealing a drought-fueled dance between two species of juniper with lessons for the ...

My appreciation for Chinese potstickers took hold decades ago when I studied in Hong Kong with the late Lucy Lo, a Chinese ...

In legal and illicit markets, weed products turn up with hidden health threats. The similarities are no shock, said industry ...

In the closing weeks of his presidency, Joe Biden set ambitious CO2 emissions targets and approved billions for EVs before Donald Trump takes over.

There's a Keurig machine in some 40 million households in the U.S. Single-serve coffee brewing systems — which allow ...

"It's important to carefully read the list of included flowers before buying." Gardener issues warning after suffering ...