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Type of Resource : Internet Website Bibliographic Detail : ‘Acid Rain’, Unknown, U.S Environmental Protection Agency, Viewed 08/05/03, Summary of… : - The value of ozone layer to life on the Earth : Stratospheric ozone is a naturally-occurring gas that filters the sun's ultraviolet (UV) radiation. A diminished ozone layer allows more radiation to reach the Earth's surface. For people, overexposure to UV rays can lead to skin cancer, cataracts, and weakened immune systems Increased UV can lead to reduced crop yield and disruptions in the marine food chain. Because this reference is a Government Agency, it has quite a large amount of reference material, and I’m unable to paraphrase too much. Please see the site for more detail. - How humans have affected the ozone layer : Chemicals that damage the ozone layer include methyl bromide (used as a pesticide), halons (used in fire extinguishers), and methyl chloroform (used as a solvent in industrial processes).
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