A few years ago, Walmart promised to get serious about fighting global warming. They even promised to get 100% of their power from clean, green sources. But Walmart is hiding a dirty secret: They're one of America's largest users of dirty coal electricity. Their U.S. stores use more than 4.2 million tons of coal each year. That's nearly six times […]

The solar market in the United States is predicted to double in size this year, thanks to low component prices and increased production capacity. According to a study by the Solar Energy Industries Association and GTM Research, about 3.3 gigawatts of panels will be installed in the U.S. in 2012. Still, this leaves the U.S. in 11th place worldwide in market […]

Your weekly news roundup on everything environment   Vermont Becomes First U.S. State to Ban Fracking Vermont became the first state to ban fracking when Vermont Governor Peter Shumlin (D) signed into law the nation’s first ban on hydraulic fracturing — or fracking — a natural gas drilling technique that involves blasting chemical-laced water deep into the ground to split rock apart and […]