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TAKE A DEEP BREATH
Carbon Dioxide in the middle layers of the troposphere shows a 19.4% increase in the mean annual concentration, from 315.98 parts per million by volume (ppmv) of dry air in 1959 to 377.38 ppmv in 2004
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Lead Poisoning
lead poisoning

Lead
Poisoning
smelter in herculaneum mo
Killer Fog
1952
killer fog of 1952
Killer Fog 1948
killer fog of 1948
mile thick brown pollution cloud
Asian Brown
Cloud
Smelter Skelterarmy core of engineers strikes again
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