CASPER - The U.S. coal mining industry vented some 158 billion cubic feet of methane gas into the atmosphere in 2006, according to industry officials. About 22 percent of U.S. coal mine methane emissions came from surface mines. Yet this is a valuabl...

BOSTON Skip Ryan has worked the same channel into Boston Harbor for 50 years, setting and hauling his lobster traps so often that he is certain of one thing. “You just cannot figure these animals out,” Ryan says. “They’re n...

CLEVELAND (AP) Ice cover on the Great Lakes has declined more than 30 percent since the 1970s, leaving the world’s largest system of freshwater lakes open to evaporation and lower water levels, according to scientists associated with the Nati...