By Dina Cappiello and Sam Hananel
The Associated Press
WASHINGTON — In a major anti-pollution ruling, the Supreme Court on Tuesday backed federally imposed limits on smokestack emissions that cross state lines and burden downwind areas with bad air from power plants they can’t control.
The 6-2 ruling was an important victory for the Obama administration in controlling emissions from power plants in 27 Midwestern and Appalachian states that contribute to soot and smog along the East Coast.
It also capped a decades-long effort by the Environmental Protection Agency to ensure that states are good neighbors and don’t contribute to pollution problems elsewhere. The rule upheld Tuesday was EPA’s third attempt to solve the problem.
The rule, challenged by industry and upwind states, had been cast by foes as an attempt by the Obama administration to step on states’ rights and to shut down aging coal-fired power plants. Opponents said the decision could embolden the agency to take the same tack later this year when it proposes rules to limit carbon pollution. EPA Administrator Gina McCarthy has said the agency will be flexible and work with states on the first-ever controls on power plants for the gases blamed for global warming.
On Tuesday, the court upheld a rule adopted by the EPA in 2011 that would force polluting states to reduce smokestack emissions that contaminate the air in downwind states. Power companies and several states sued to block the rule, and a federal appeals court in Washington agreed with them in 2012.
The Supreme Court reversed that decision. Writing for the majority, Justice Ruth Bader Ginsburg acknowledged the complexity of the problem before EPA.
“In crafting a solution to the problem of interstate air pollution, regulators must account for the vagaries of the wind,” Ginsburg wrote.
The high court said the EPA, under the Clean Air Act, can implement federal plans in states that do not adequately control downwind pollution. But the court also ruled that the EPA can consider the cost of pollution controls and does not have to require states to reduce pollution by the precise amount they send to downwind states.
McCarthy called the court’s ruling “a resounding victory for public health and a key component of EPA’s efforts to make sure all Americans have clean air to breathe.”
But Justice Antonin Scalia, in a vigorous dissent from the outcome, said, “Today’s decision feeds the uncontrolled growth of the administrative state at the expense of government by the people.” Reading part of his dissent from the bench, Scalia said the result “comes at the expense of endorsing, and thereby encouraging for the future, rogue administration of the law.”
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