Project 6

Project 6

Published on 12 September 2020
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Transcript
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OZONE LAYER DEPLETION
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1. Scientists in 1960s realized that something was going wrong in the ozone layer. 2.They soon figured out that human interventions were damaging Earth’s protective shield – the ozone layer – against harmful UV radiation. 3.Most of the depletion of the ozone layer has been attributed to pollutants containing chloride (mainly CFCs) 4.A 1974 study indicates that the CFC industry makes a profit of 28 billion dollar annually