"Spain's Repsol oil company announced Tuesday it was 'almost certain' to withdraw from exploration in Cuba, after spending an estimated $150 million on a dry well and seeing far more profitable prospects in other countries such as Brazil and Angola."

"TEHRAN, Iran - Computer technicians battling to contain a complex virus last month resorted to the ultimate firewall measures - cutting off Internet links to Iran's Oil Ministry, rigs, and the hub for nearly all the country's crude exports."

"The answer to this question is unknown. What is known is that the U.S. government's flood insurance program has paid the First Apostolic Church of Rio Linda for six damage claims and will probably be on the hook again when another flood crests, which could be pretty soon."

"CHARLESTON, W.Va. -- Local citizens on Wednesday threatened to sue FirstEnergy Corp. over a huge coal-ash impoundment along the West Virginia-Pennsylvania border, alleging the operation is polluting area streams, tainting groundwater, and violating federal waste disposal requirements."

"A new study looking at key aquifers beneath the Great Plains and California's Central Valley suggests that areas of Texas and Kansas are drawing groundwater at an unsustainable rate."

"A number of major United States corporations publicly support climate change science but contribute heavily to politicians and research groups that deny or play down the threat of global warming, according to a new study from the Union of Concerned Scientists."

"The study found that ExxonMobil, General Electric, Caterpillar and Boeing are among companies that play both sides of the fence, supporting groups that promote climate change science as well as those that seek to undercut it."