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