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Billions of metric tons of carbon

Data collected by Oak Ridge National Laboratory and published
in "Trends '93: A Compendium
of Data on Global Change" shows an overall increase in global
carbon dioxide emissions from fossil fuels in the air.
Ground Level Ozone
Ground level ozone is a chemical reaction between VOC's
(Volatile Organic Compounds) and oxides of Nitrogen
(NOx) in the presence of sunlight and heat to create Ground Level
Ozone.
Also Know As SMOG |