DEPLETION OF OZONE LAYER The National Aeronautics and Space Administration reported March

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DEPLETION OF OZONE LAYER The National Aeronautics and Space Administration reported March 15th that atmospheric ozone over the Northern Hemisphere had declined significantly over the last two decades. It also found that loss of ozone in the Southern Hemisphere, which is most acute in springtime over Antartica, was spreading into wider areas and that ozone levels where reduced throughout the year. Ozone in the upper atmosphere absorbs ultraviolet rays from the sun that can cause skin cancer and eye problems and damage other human health and natural systems. Scientests estimate that for every one percent decline in atmospheric ozone, two percent more ultraviolet radiation reaches the Earth's surface. There is a broad based consensus that man-made chemicals are responsible for much of the ozone loss. Loses ranged from 1.7 to 3 percent between 30 and 60 degrees latitude north between 1969 and 1986, with as much as 6.2 percent in wintertime. The Senate passed legislation the day previous on curbing the chemical production in the United States responsible

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