Environmental Science 1021F/G Lecture Notes - Smog, Volatile Organic Compound, Cool Air

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Note level of co2 (0. 038%) is small but not insignificant. This low amount is required to keep balance in earth"s climate & health of. Greenhouse gases - required to maintain health of earth, but can be harmful if in abundance. Vocs = volatile organic compounds: synthetic harmful chemicals in everyday products (paint, carpet, upholstery, cosmetics) Air pollutant = chemical that at high concentration causes damage. Air pollutants: small particulate matter, so2, ozone, lead. Natural sources of pollutants: fire, dust, salty sea spray (vaporized salt can be a pollutant: although they"re natural, they can still harm. Mobile sources: shipping vessel, plane, train, car, anything that pollutes and moves around. Primary pollutants: chemicals that come directly from source of pollutants (factory vent, exhaust. Secondary pollutant: chemicals formed from chemical rxns among primary pollutants. Results of climate change resulting from chemical pollutants: Change in precipitation patterns: where/when it falls.

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