California Gov. Jerry Brown signs SB350 on Oct. 7, 2015. The bill calls for increasing the state’s renewable electricity use to 50 percent and doubling energy efficiency in existing buildings by 2030.
AP Photo/Damian Dovarganes
California has set ambitious goals for cutting carbon emissions and shifting to a clean energy economy. How will this strategy affect the state's huge economy? An economist weighs the evidence.
The 2007 midwinter solstice illumination of the main altar tabernacle of Old Mission San Juan Bautista, California.
Rubén G. Mendoza/Ancient Editions
At many Spanish missions in the US and Latin America, the rising sun illuminates the altar on the winter solstice or other symbolic days. To the faithful, these events meant that Christ was with them.
Gov. Paul LePage speaks at a news conference at the State House in Augusta, Maine.
AP Photo/Robert F. Bukaty
What if you could go into a voting booth and rank your first, second and third choices? It could happen in Maine, if voters approve.
We can't keep blaming the MMR-autism scare – there are other forces at play.
Quarterback Colin Kaepernick in 2014.
REUTERS/Ed Szczepanski-USA TODAY
Like George Washington, Colin Kaepernick is willing to sacrifice for America.
A woman protesting the shooting death of Alton Sterling is detained by Baton Rouge police.
No federal database provides reliable info on deaths that occur in police custody. It’s the same situation in 48 states. But now California and Texas are offering new models of accountability.
The Diablo Canyon nuclear power plant in California is closing and the state has committed to replacing it with greenhouse-free sources of electricity.
Can nuclear power plants like California Diablo Canyon be replaced without greatly raising emissions? It's an open question.
California is the big prize in primary season’s last big day of voting.
Nearly 650,000 new voters have registered to vote in the California primary. What the influx of new voters will mean is anyone's guess.
As a result of El Niño, Africa saw droughts in many regions.
From floods to drought, fire to famine, the 2015-16 El Nino has had a global impact.
Expect $33 billion of damage ... and that's just for starters.
Half Dome, Yosemite National Park.
John Muir, born on April 21, 1838, was one of America's first great conservation advocates. His letters and diaries convey the emotions Muir felt in Yosemite Valley, his 'sanctum sanctorum.'
Campaigners stand outside the US Supreme Court in 2005.
Where and how you have the right to legally end your life.
San Quentin State Prison in California, December 2015.
In the 1970s, California Governor Jerry Brown helped pioneer mandatory sentencing. Now he's working to overturn the practice.
Homeless in Los Angeles: Bernard Leatherhood (62) and Arthur Johnson (72).
Field research in Oakland highlights a major issue that Americans have yet to face up to: how to deal with growing numbers of homeless older people in our streets.
Here come the rains to Hollywood and Southern California.
The flood-control infrastructure built to weather heavy rains in Los Angeles sends runoff to sea – a poor design for drought-worried California.
The University of California intends to be carbon-neutral by 2025 by implementing existing technologies and focusing on public education. Is this a model for decarbonizing at large scale?
Renewable energy developers choose sunny locations, which can be near protected lands.
Study shows that many of the utility-scale solar power plants in California have been placed near protected and environmentally sensitive lands.
Eating kangaroos is sustainable.
Kangaroo image from www.shutterstock.com
Campaigners against commercial kangaroo harvesting say it's unsustainable and have convinced California to extend a ban on kangaroo imports. But are Australia's world-famous roos really at risk?
Raging – and costly.
US National Parks Service
Federal agencies pay much of the cost to fight forest fires, which means taxpayers are subsidizing the risky practice of building more homes at the wildland-urban interface.
Comparison of Sierra Nevada snowpack in 2015 v 2010.
According to scientists, tree-ring analysis shows that California drought is the worst it has been in 500 years.The study underscores the severity of current drought and the challenges of future water management in the state.