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Strategies & Market Trends : Booms, Busts, and Recoveries -- Ignore unavailable to you. Want to Upgrade?

To: maceng2 who wrote (50692)	6/6/2004 7:07:28 PM
From: Toby Zidle	Read Replies (1) \| Respond to of 74559

Pearly, the increase in childhood asthma from 1979 to 1996 comes, in large part, from factors other than fuel-generated air pollution. The largest additive factor is actually from urban development and beautification. Typical of this is the 'Arizona phenomenon' -- rapid population increase accompanied by tens of thousands of new lawns, gardens, and sprinkler systems, where once there was a dry desert environment. Humidity has increased significantly, sensitizing children's lungs to massive amounts of new airborne pollens and particulate vegetation matter. The 'greening' of America, generally considered a positive environmental change, has negative side effects including increased sensitization to asthma.