September 16, 2013 Some scientists have argued that so much gas leaks out during production that it is actually worse for the environment than coal. But a new nationwide study shows that methane leaks from natural gas production aren't as bad as some feared.
September 16, 2013 Five years ago, a Canadian company proposed building the Keystone XL pipeline to connect Canada's tar sands oil development with the big U.S. refineries on the Gulf Coast. The southern stretch of this pipeline is nearly finished, but the northern stretch is still under study.
September 13, 2013 For the past couple of years, NASA has been using remotely piloted aircraft to study hurricanes. And they are turning up new information about things like how dust from Africa can determine whether weather systems become hurricanes in the Atlantic.
September 13, 2013 Authorities say the sweet slick has suffocated thousands of fish and could lead to an increase in predator species in the area.
September 12, 2013 At least two waterspouts are seen Thursday afternoon on Lake Michigan, near the Wisconsin border.
September 12, 2013 About 233,000 gallons of the sticky substance were spilled into part of Honolulu Harbor on Monday. Thousands of ocean creatures were killed as the molasses sinks to the bottom. "Everything down there is dead," a diver says.
September 11, 2013 The underground lakes were found in the most arid region of a country where 40 percent of the population lacks access to safe water.
September 11, 2013 The U.S. Forest Service is set to decide whether to allow or forbid hydraulic fracturing, or fracking, on national forest property in Virginia and West Virginia. The battle over public lands in America has been roiling for decades — and is likely to continue ad infinitum.
September 10, 2013 The tropical storm is forecast to strengthen to hurricane status, marking a first for an Atlantic season that has been lackluster thus far.
September 10, 2013 When the swirling, howling winds of the 1930s Dust Bowl gobbled up farmland from Texas to the Dakotas, the federal government planted 100 million trees to act like a giant windbreak. It worked. But now, after years of drought, those old trees are dying.