"Russian President Vladimir Putin has said he will 'soon' pardon one of his sharpest critics — jailed oil tycoon Mikhail Khodorkovsky — and said that a newly enacted amnesty law would free imprisoned Greenpeace activists and two members of the punk band Pussy Riot."

"This coming Sunday, Dec. 22, marks five years since the Kingston Coal Plant's ash dam in Tennessee ruptured, sending more than a billion gallons of toxic sludge into homes, onto farmland, and into the Emory and Clinch Rivers in Roane County - one of the biggest environmental disaster in U.S. history. Five years later, we're still waiting - and pushing - for the Environmental Protection Agency to put in place long-overdue protections to prevent more coal ash disasters."

"The Pennsylvania Supreme Court on Thursday struck down portions of a law that stripped some of the powers municipalities have to decide where the booming natural gas industry can operate."

"HOUSTON — Nearly four years after the Gulf of Mexico oil rig explosion that left 11 dead, a former low-level engineer at BP was found guilty on Wednesday of obstruction of justice for deleting messages during a federal investigation into how much oil leaked."

"WASHINGTON — The honeybees that pollinate one-third of Americans’ daily diet are dying, and in the eyes of some environmentalists one culprit may be a decades-old Environmental Protection Agency system."

"The Interior Department will not be held in contempt over its actions in the aftermath of the 2010 Gulf of Mexico oil spill after the Supreme Court declined on Monday to review an appeals court ruling in the government's favor."

"SAN JOSE -- A Santa Clara County judge on Monday handed a billion-dollar victory to 10 California cities and counties that sued the paint industry in the interest of cleaning up old lead toxins permeating the walls of millions of homes."

"WASHINGTON -- After more than 40 years of study, the U.S. government says it has found no evidence that common anti-bacterial soaps prevent the spread of germs, and regulators want the makers of Dawn, Dial and other household staples to prove that their products do not pose health risks to consumers."

"The White House systematically delayed enacting a series of rules on the environment, worker safety and health care to prevent them from becoming points of contention before the 2012 election, according to documents and interviews with current and former administration officials."