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85% of California is made up of forests, rangelands and pastures-- world-famous
natural ecosystems that give us watersheds and beautiful, awe-inspiring
wildlands as well as timber and livestock.
California's
33 million acres of forestland, much of it public lands owned by all of us, have
not escaped the SMOG ATTACK. Air
pollution is able to literally climb the valley walls into the mountains, and
the trees suffer. Extensive tree damage in the San Bernadino Mountains was
discovered in the 1960's. More tree injury has been documented in other Southern
California National Parks and in the Sierra Nevada since the 1970's. It's not a
new problem – it's an expanding problem that's still with us!
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Impact on Health
Impact on Environment
 Air
Pollution Damages Crops
Air
Pollution in Wildlands
How
Does Pollution Damage Plants?
Impact on Economy
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