View Single Post
Old 05-21-2002, 02:33 PM   #3
russotto
Professor
 
Join Date: Jan 2001
Posts: 1,788
Re: 5/19/2002: Upper air smog

Quote:
Originally posted by Undertoad

form, as well as sunlight. The bad news that in all its forms it does create health hazards. The ground-level smog is bad, but the smog above is also thought to be bad because it reflects UV rays.
What's bad about that? Just think of it as a substitute ozone layer.
russotto is offline   Reply With Quote