Court rules against Bush in global warming case

By James Vicini

WASHINGTON (Reuters) - In a stinging defeat for the Bush administration, the Supreme Court ruled on Monday that U.S. environmental officials have the power to regulate greenhouse gas emissions that spur global warming.

By a 5-4 vote, the nation's highest court told the U.S. Environmental Protection Agency to reconsider its refusal to regulate carbon dioxide and other emissions from new cars and trucks that contribute to climate change.

The high court ruled that such greenhouse gases from motor vehicles fall within the law's definition of an air pollutant.

The ruling in one of the most important environmental cases to reach the Supreme Court marked the first high court decision in a case involving global warming.

President George W. Bush has opposed mandatory controls on greenhouse gases as harmful to the U.S. economy, and the administration instead has called for voluntary programs.

In 2003, the EPA refused to regulate the emissions, saying it lacked the power to do so. Even if it had the power, the EPA said it would be unwise to do it and would impair Bush's ability to negotiate with developing nations to cut emissions.

The states and environmental groups that brought the lawsuit hailed the ruling.

"As a result of today's landmark ruling, EPA can no longer hide behind the fiction that it lacks any regulatory authority to address the problem of global warming," Massachusetts Attorney General Martha Coakley said.