Reagan was right: trees do cause pollution.
"Sequoia smog threatens health of redwoods" Associated Press, May 29, 2012
SEQUOIA NATIONAL PARK, Calif. - Mountaintops that should offer awe-inspiring views of California’s
geologic grandeur often are muddled by a disorienting gray soup of smog,
and scientists are not sure with the effect will be on the redwoods
that have been around for 3,000 years or more....
Smog is so bad the
government employment website warns job applicants
that the workplace is
unhealthy....
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more--"