"On Nov. 22, 2006, Paul Jennings received an email from a fellow executive at his chemical company. "As you are aware, Indonesia was planning to go lead free in 2000," the note read. "This obviously did not happen for a number of reasons and since 1st January 2000 until the present, we have supplied 28,390 [tons] of [tetraethyl lead] ... generating $277 million in revenue.""

"An email shows federal and provincial authorities allowed Canadian Natural Resources Limited, under investigation for a serious oilsands leak, to collect some evidence in the probe."

"Green groups say the Environmental Protection Agency's plan to weaken radiation standards at nuclear power plants would triple the likelihood of people in surrounding communities developing cancer."

"A federal judge in Tennessee has approved a $27.8 million settlement from the Tennessee Valley Authority to more than 800 people affected by a 2008 accident that unleashed a wave of toxic coal sludge, plaintiffs' lawyers said Tuesday."

"Pennsylvania has 86,000 miles of rivers, streams and creeks — a total length eclipsed only by the vast wilderness in Alaska."

"Twelve states filed a lawsuit against the Obama administration on Friday seeking to block an Environmental Protection Agency proposal to regulate coal-fired power plants in an effort to stem climate change."

"When Washington lobbyists fail to derail regulations proposed by federal agencies, they often find a receptive ear within the Office of Information and Regulatory Affairs, an arm of the White House Office of Management and Budget that conducts much of its business in secret."

"SAN FRANCISCO — Pacific Gas & Electric was charged Tuesday with lying to regulators in connection with a fatal pipeline explosion that killed eight people and leveled a suburban Northern California neighborhood in 2010."