Although this affects the concentration of free oxygen, sulfur has traditionally been portrayed as a secondary factor in regulating atmospheric oxygen, with most of the heavy lifting done by carbon. Iron Pyrite or Fool’s Gold plays dominant role in the world’s sulfur cycle, new research shows. MORE >>

On May 16, the US Environmental Protection Agency will formally present Ohev Sholom its Energy Star achievement certification — meaning that the synagogue meets strict performance levels set by a government agency better known for regulating factory emissions and auto gas-mileage standards than presenting bronze plaques to houses of God. MORE >>

Must Reads: America Under the Gun | How to Win Any Climate Change Argument | Sequestration, Explained | Best. 18, 2013 9:40 AM PST Tweet When it comes to America's energy future, it seems like all we ever hear about these days is natural gas. Skip to Navigation. Skip to Content. Mother Jones. Politics. Environment. Culture. Study. MORE >>

'Baraboo, Wisconsin, May 2013 (GLOBE NEWSWIRE) : Food rights activists from around North America will meet at the Sauk County Courthouse in this tiny town on May 20 to support Wisconsin dairy farmer Vernon Hershberger and food sovereignty. MORE >>

WASHINGTON – Conservation and hunting groups today sued the Environmental Protection Agency for failing to regulate toxic lead that frequently poisons and kills eagles, swans, cranes, loons, endangered California condors and other wildlife throughout the country. Alternatives continue to be developed, including the U.S. MORE >>