Meaningful climate action will require the U.S., and the world, to register many California-sized renewable energy grid success stories.
California's wind and solar farms can generate the electricity to power its grid — but it needn't go it alone.
California must build a stable grid in which swinging renewable energy supply matches varying demand.
In building a cleaner grid that spans multiple states, renewables have to do more than simply provide energy.
Take a closer look at the group that has long seen itself as responsible for California’s clean energy future.
In the face of the president-elect's apparent indifference to global warming, the state has become a beacon of hope for renewable energy advocates.
Calling all billionaires! Imagine a center for energy innovation outside the nation's capital. And that's just one way you can help.
Even if the Clean Power Plan persists, it can only go so far. Here's why.
This chart shows how corporate green power purchases in 2015 are already double the level of 2013.
With a deep-green makeover, this little-known legislation would give Golden State businesses a huge boost to sidestep utilities and adopt renewables.