"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."

"Leaders of Arctic nations gather in Greenland this week to chart future cooperation as global warming sets off a race for oil, mineral, fishing and shipping opportunities in the world's fragile final frontier."

"Prime Minister Naoto Kan said Tuesday that Japan would abandon plans to build more nuclear reactors, saying his country needed to 'start from scratch' in creating a new energy policy."

"Nations and individuals have a duty to reduce greenhouse gas emissions and enact policies that mitigate global warming, said a Vatican-sponsored working group."

"Renewable energy could meet nearly 80 percent of the world's energy needs by mid-century and play a crucial role in fighting global warming, the UN's climate scientists said Monday in a major report."

"The Fukushima Daiichi nuclear accident exposed flaws in the Japanese government's measures to guard the country's reactors against earthquakes and tsunamis. U.S. officials in recent years also have worried that Japanese officials haven't taken enough precautions to protect the facilities from terrorist attacks, according to diplomatic documents released over the weekend on the WikiLeaks website."