"The prospects for building new nuclear reactors may be sharply limited, but the owners of seven old ones, in Pennsylvania, Virginia and South Carolina, are preparing to ask for permission to run them until they are 80 years old."

"TransCanada Corp.’s $11-billion Energy East pipeline project has run into another stumbling block in Quebec as public opposition mounts over a possible threat to the endangered beluga whales in the St. Lawrence River."

"Three widely cited state studies of air emissions at Marcellus Shale gas development sites in Pennsylvania omit measurements of key air toxics and calculate the health risks of just two of more than two dozen pollutants."

"Rick Piltz, a gutsy whistleblower who revealed a pattern of politically torqued rewriting of climate science reports during the first term of President George W. Bush, died early Saturday morning after a fight with cancer."

"A disabled Russian cargo ship was en route to port in British Columbia for repairs and the rescue operation was declared officially over Sunday. Now the debate begins."

"In August, Tom Steyer and seven campaign advisers sat in a small conference room in Coral Gables, Fla., trying to figure out how to save the world. Steyer, who is 57, has a fortune of roughly $1.5 billion, and his advisers were among the most talented political operatives in the United States."

"Chevron Corp. is spending millions of dollars on a Richmond, Calif., city council election in an attempt to 'buy' the council, Sen. Bernie Sanders (I-Vt.) said."

"Climate change and invasive mussels may have made Lake Erie a more inviting host for toxic bacteria in recent years, suggesting that ambitious goals are needed for reducing phosphorus runoff that feeds large blooms like the one that forced a temporary tap water shutdown in and near Toledo, Ohio, scientists said Wednesday."

"Trucks hauling mounds of sand into the southern Minnesota town of Winona for delivery to drilling sites across the nation's shale regions are not spewing dangerous dust emissions into the air, preliminary data shows."

"Climate change has shrunk Peruvian glaciers by 40 percent in the past four decades and the melt-off has spawned nearly 1,000 new high-altitude lakes since 1980, Peru's government said on Wednesday."