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20 Cards in this Set

  • Front
  • Back
What was the prosperity depiction of the 1st half of the 20th century?
-Belching smokestacks from Industry
-Environmental catastrophes demonstrated air pollution effects
What was the prosperity depiction of the 2nd half of the 20th century?
-Regulatory legislation in developed countries
-Population moved to suburbs
Developing countries increasing pollutants
In the 21st century how many U.S. counties are noncompliant with National Ambient Air Quality Standards?
More the half
________ corresponds to spread of population growth away from major urban areas and industrial centers
pollution
Specific locales may have a single major pollutant..
Utah Valley smelter- 1980s and 1990s
Relatively low-levels of complex mixtures of photochemically transformed industrial and mobile emissions - even into remote wilderness areas
21st Century air pollution exposures
Industrial expansion lead to poor air quality,
substantial contribution to global air pollution
Developing and emerging nations
What was the 21st century dilema?
Rapid economic growth and industrial progress versus commitment to environmental and human health via pollution control
Single pollutant --> thought best path to success
regulations
Evolving to study interaction and transformation of individual pollutant components within atmospheric systems
-truer reflection of real-world exposures
Research
“As soon as I had gotten out of the heavy air of Rome, and the stink of the chimneys thereof, which being stirred, poured forth whatever pestilential vapors and soot they had enclosed in them, I felt an alteration to my disposition.”
Seneca, Roman Philosopher 61 AD
“Fly the city, shun its turbid air; breathe not the chaos of eternal
smoke…”
John Armstrong, Physician and poet 1744 AD
1930 air pollution disaster
Meuse Valley, Belgium
1948 air pollution disaster
Donora, Pennsylvania
1952 air pollution disaster
London's Great fog
1947 air pollution regulation
California: Air pollution control act
1955 air pollution regulation
U.S.: Air pollution control act
1963 air pollution regulation
Clean Air Act- Addressed auto pollutants
1970 air pollution regulation
Clean Air Act- revolutionary
What were the seven criteria pollutants of the CAA?
O3, SO2, PM, NO2, CO, Pb, total hydrocarbons