When Christie's administration unilaterally pulled out out of a regional cap-and-trade program in 2011, it broke the law, an appeals court rules.
Survey shows that Californians choose low-emissions modes of transportation for twice as many trips as they did 10 years ago.
Invasive Asian fish are breeding like rabbits in American waterways, and pushing everything else out. Let's push back with our plates.
One in eight deaths in 2012 was caused by air pollution. Thanks, fossil fuels.
It's hard for farmers to buy seeds that aren't coated with pesticides. A new report explains how little we know about the benefits of this practice.
Chevron isn't content to stop at just controlling the national news. In an alarming development, it's disguised a propaganda rag as an online news outlet in California.
Populations of birds are at risk after a ship collided with an oil-hauling barge in the Gulf of Mexico over the past weekend.
More than $5 billion has been invested in renewable energy projects in the state since 2010.
Members of the L.A. city council want scientists to investigate whether a recent earthquake was linked to hydraulic fracturing. Frackers responded with insults.