Salton Sea fingered as culprit of big California stink

After a day of odor surveillance and other scent-based sleuthing, Southern California air quality investigators confirmed Tuesday what they had already expected, that a pungent, rotten-egg aroma that stretched across the region came from the Salton Sea.

Green Protests On The Rise In China

For years, people in China have accepted murky air, tainted waters and scarred landscapes as the unavoidable price of the country’s meteoric economic growth. But public dissent over environmental issues has been growing steadily.

New Global Warming Culprit: Dams

Washington State University researchers have documented an underappreciated suite of players in global warming: dams, the water reservoirs behind them, and surges of greenhouse gases as water levels go up and down.

Caffeinated Coastal Waters

A new study finds elevated levels of caffeine at several sites in Pacific Ocean waters off the coast of Oregon, though not necessarily where researchers expected.