Scripps Oceanography climate scientists ponder what episode tells us about global warming.

A new study finds a shockingly high contribution from paints, pesticides, perfumes as vehicle emissions drop.

Controlling pollution in urban areas is not enough, UC Berkeley suggests — households must embrace clean energy, too.

In first study on Porter Ranch, UC Irvine and UC Davis researchers confirm the extent of the pollution, which impacts California's ability to meet state GHG targets.

Study finds that diesel fumes pollute far more than gasoline.