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Michael B. McElroy, Rotch Professor of Atmospheric Science, told a federal task force in Washington that fluorocarbon gases used in aerosol sprays and refrigerants are reducing the ozone layer, which screens out dangerous ultra-violet radiation...
McElroy and other scientists told the Federal Interagency Task Force on the Inadvertant Modification of the Stratosphere that the Federal government should mount a "large, determined research effort" on the reduction of the ozone layer...
McElroy estimated that a 1-per-cent reduction of the ozone layer has occurred so far, causing a 2-per-cent increase in skin cancer...
McElroy said that "roughly half" of the freon now being released into the upper atmosphere comes from spray cans. Freon causes most of the reduction of the ozone layer, he said...
McElroy said the increased agricultural use of methyl bromide for crop fumigation also depletes the ozone layer...