"A solar energy plane made the world's first international flight powered by the sun on Friday to show the potential for pollution-free air travel."

"The Obama administration is pushing back against plans by its oil spill commission co-chairman to spread his message about offshore drilling reforms to Cuba, the panel leader said today."

Japanese authorities for years discounted and ignored warnings that precisely the kind of quake-tsunami disaster that happened at the Fukushima plant could happen at other nuclear plants.

"According to a recent study, noise pollution could be costing lives. A World Health Organization report finds Western Europeans lose years to death or disability from excessive sound."

"The eight Arctic nations pledged Thursday to create international protocols to prevent and clean up offshore oil spills in areas of the region that are becoming increasingly accessible to exploration because of a changing climate."

"In a development that is likely to delay efforts to bring the Fukushima Daiichi Nuclear Power Station under control, the plant’s operator said Thursday that one reactor, No. 1, had sustained much more damage than originally thought and was leaking water."

"In the deep waters off Cuba's north coast, a Chinese-built oil rig is due to begin drilling this fall in an area geologists believe may have huge beds of undersea crude."

"Secretary of State Hillary Rodham Clinton touched down Wednesday on Greenland’s rocky, snow-flecked coast for two days of talks on the Arctic, as the Obama administration seeks to draw attention to the rapidly accelerating loss of sea ice and surging interest in the region’s natural resources."

"Hate insects? Afraid of germs? Researchers are reporting an alarming combination: bedbugs carrying a staph 'superbug.' Canadian scientists detected drug-resistant staph bacteria in bedbugs from three hospital patients from a downtrodden Vancouver neighborhood."

"French lawmakers opened debate on Tuesday on proposals to ban a method for extracting oil and gas deposits from shale because of environmental concerns, throwing up the first serious stumbling block to firms that want to use the practice."