Senate panel presses EPA

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Senate Environment and Public Works Committee members yesterday pressed the Environmental Protection Agency to decide quickly whether to regulate carbon dioxide, and also urged quick action on a waiver allowing California to start regulating greenhouse gas.

"Now there is an unmistakable green light to take action," in the wake of an April 2 ruling by the Supreme Court that instructed the EPA to consider regulation, said committee Chairman Barbara Boxer, California Democrat. "There is no excuse for delay."

Mrs. Boxer warned EPA Administrator Stephen L. Johnson against dragging his feet or citing excuses such as China's refusal to reduce greenhouses gases under the Kyoto global warming treaty.

"We didn't wait for another country to act before we passed the Clean Air Act," she said.

She noted that California's waiver request has been before the EPA for 16 months. "In a few short months this waiver could be in place. I expect action from you today."

Mr. Johnson said he is taking up California's request as well as deliberating whether the agency should regulate carbon dioxide, acknowledging that the high court's decision puts the agency under the gun. But he refused to be held to a timetable.

"The major significance was the Supreme Court defining it as a pollutant," Mr. Johnson said. "Once defined as a pollutant, then that triggers, or may trigger, parts of the Clean Air Act.

"EPA must determine whether greenhouse gas emissions endanger public heath and welfare based on the requirements of the Clean Air Act," he said. "For that decision we will move expeditiously, but we will move responsibly."

Committee Democrats were agitated by his apparent reticence.

"Why has it been so difficult to convince you that your agency should protect the environment?" asked Sen. Frank R. Lautenberg, New Jersey Democrat. "Stop denying the impact of global warming."