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Name: Jeffrey
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Question:
How does saving trees effect the ozone layer? Could I please get the answer as soon as possible?



Replies:
Dear Jeffrey,

There are two different types of ozone in your question:

One is bad ozone:
Trees help lower ozone and pollutant levels in cities:
http://www.safeparks.org/urbantrees.html

The other is the good ozone layer (15-40 km above the earth's surface) that protects life on earth from harmful UV radiation:
http://www.epa.gov/ozone/science/makemore.html
but trees don't have any big direct impact on this, although oxygen produced by early algae/phytoplankton probably initially helped create it millions of years ago.

Sincerely,

Anthony R. Brach, Ph.D.



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