GREENHOUSE GASES: O
molds water damaged buildings
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, is a greenhouse gas, mainly located in the stratosphere.
There is not much of it
: 12 000 molecules of ozone for 1 000 000 000 other molecules of air
INCREASED UV: OZONE is a wonderful filter that blocks UV rays coming from the sun. Decreasing OZONE increases UV irradiation, hence skin cancers.
Increased UV irradiation has dramatically increased
frequency of Melanomas, a deathly skin cancer
figures from Skin Cancer Foundation
Ozone is wonderful in the stratosphere. But at ground level it is a severe respiratory irritant!!!
OZONE was depleted in our atmosphere from 1980 to 1995, essentially by CFCs (chlorofluorocarbons used for refrigeration and as propellants for sprays)
Propellants for sprays