A well-working market that prices conservation as a source of electrical energy faces serious legal challenges from power producers.

"The U.S. Supreme Court on Tuesday agreed to weigh a challenge by industry groups and some states to an Obama administration regulation intended to limit emissions of mercury and other hazardous pollutants mainly from coal-fired power plants."

"The Obama administration is expected to release on Wednesday a contentious and long-delayed environmental regulation to curb emissions of ozone, a smog-causing pollutant linked to asthma, heart disease and premature death."

"A Department of Energy investigation into the contentious firing of a Hanford nuclear waste site official met initial resistance from some of the government's biggest contractors."

"The White House Office of Management and Budget (OMB) has approved a regulation that seeks to strengthen federal standards for recycling hazardous waste."

"Japan on Tuesday unveiled plans to resume whale hunting in the Southern Ocean despite an international court ruling that previous hunts were illegal, but said it would slash the quota for the so-called scientific whaling program."

"The nonprofit group Global Witness makes some valuable points in a new report offering Peru a path to cut the violence on its poorly governed resource frontier in the Amazon. The report, 'Peru’s Deadly Environment,' is being released today at a Manhattan event organized with the Alexander Soros Foundation."