"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."

"Denmark earns the biggest share of its national revenue from producing windmills and other clean technologies, the United States is rapidly expanding its clean-tech sector, but no country can match China's pace of growth, according to a new report obtained by The Associated Press."

"Levels of radioactive substances have jumped in the Pacific seabed off Japan near the nuclear power plant crippled by a massive tsunami in March, according to the plant operator."

"Environmentalists trying to halt U.S. uranium projects are emphasizing the foreign ownership of mining companies. A key issue: Companies that mine uranium and other hardrock minerals do not pay royalties to the U.S. government. Several companies that mine or are seeking permits to mine U.S. uranium are based in Canada."

"Representatives from 127 governments have agreed to add endosulfan to the United Nations' list of persistent organic pollutants to be eliminated worldwide. The action puts the widely-used pesticide on track for elimination from the global market by 2012."