Engineers are racing to lower water levels at Lake Oroville in Northern California before storm clouds open up again, adding new strain to the nation’s tallest dam.

As greenhouse gas emissions decline in California due to AB 32, a recent report shows the state’s tough approach to tacking climate change has been embraced by most Californians.

It wasn’t taken as a joke or a typo or an anonymous quote from some trolling conspiracy theorist. It was a real-live tweet from a billionaire with mystery hair: “The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive.”

California plans to reduce oil-refinery emissions 20 percent by 2030, providing more details about its effort to impose the nation’s strictest air-quality rules just as President Donald Trump takes office vowing to roll back federal climate policies.

Rain has finally been falling hard in California, where reservoirs are filling up fast.

The edge of a Placer County landfill is the unlikely home for an energy partnership that powers homes and fuels jobs for Sierra College students. But that’s exactly what happens at the Western Regional Sanitary Landfill in Lincoln.

In 2012, Valenzuela Garcia helped form the Sacramento Urban Agriculture Coalition to change laws that impede urban farming by first identifying the political barriers to growing food in this environment. The long list included issues such as holding farm stands on residential sidewalks, raising chickens and keeping beehives.

California is considering a system to protect projects that cut global-warming emissions from a market downturn that may worsen under a Trump administration.

An idyllic, family-farm community in south Placer County, Loomis is proud of its small-town heritage and quaint downtown dotted with unique shops and cafés. This rural village of about 7,000 residents caters to outdoor enthusiasts looking for a slower pace. Loomis has managed to keep its hometown feel for decades, jealously guarding its open space and passing on chain stores and malls.

The Gigafactory has been activated.

Hidden in the scrubland east of Reno, Nev., where cowboys gamble and wild horses still roam — a diamond-shaped factory of outlandish proportions is emerging from the sweat and promises of Tesla CEO Elon Musk. It’s known as the Gigafactory, and today its first battery cells are rolling off production lines to power the company’s energy storage products and, before long, the Model 3 electric car.