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RCED-85-13 1 (1984-12-11)

handle is hein.gao/gaobabewa0001 and id is 1 raw text is: BY THE COMPTROLLFR GENERAL Report To The Congress F THE UNITED S,7I7ES An Analysis Of Issues Concerning Acid Rain Although science has largely determined that man-made emissions cause acid rain, there is uncertainty concerning the extent and timing of its anticipated effects. Thus, at the present time scientific information alone does not lead unequivocally to a conclusion on whether it is appropriate to begin control actions now or to await better understanding. Given this uncertainty, decisionmakers must weigh the risks of further, potentially avoidable environmental damage against the risks of economic impacts from acid rain control actions which may ultimately prove to be unwarranted. GAO examines the implications of current scientific knowl- edge for policy decisions on acid rain and offers a series of observations on the following issues involved in the debate: --To what extent has it been scientifically demonstrated that acid rain is resulting in damage to the environment? --What are the causes of acid rain and where is it most prevalent? --What alternatives exist for controlling acid rain'and what are their economic effects? GAO/RCED-85-13 DECEMBER 11, 1984 . , (30o 1 -