Confronting the Acid Test

New studies increase pressures for action on a polluting rainfall

A puckish caller once asked Interior Secretary James Watt during a radio talk show whether his baldness was caused by acid rain. Watt laughed off the wisecrack, as well he might. In spite of rising concern in the Northeast and Canada, Administration spokesmen have repeatedly insisted that nothing could really be done about acid rain and the industry-produced sulfur emissions allegedly behind them until all the scientific facts were in. Suddenly last week, however, facts came raining down like a summer squall, in effect making further scientific debate on what mainly causes...

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