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Why is ozone depletion a problem?

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Question by G-babe
Submitted on 6/15/2004
Related FAQ: List of Periodic Informational Postings, Part 1/20
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Why is ozone depletion a problem?


Answer by Dr. Gerard Gleeson
Submitted on 12/5/2004
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Ozone, although it represents a tiny portion of gases in our atmosphere, has a very important role to play.

Ozone absorbs Harmful UV-B Rays form the sun, and prevents the vast majority of these rays from reaching Earth's surface. UV-B rays are known to have a significant effect on the growth of forest trees, and also on the effectiveness of Crop growth in agriculture.

The process of absorbing UV-Light generates heat. In this way, ozone acts as a method of temperature regulation for our earth.

For these reasons, ozone depletion is a significant problem, and one which must be monitored. Current global practices have seen the removal of ozone depleting substances from the global market, but this must continue well into the future to ensure that ozone levels are allowed to replenish unhindered.

 

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