Global dimming - Los Angeles

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  • Created by: berra
  • Created on: 12-04-16 21:46
Global Dimming - Los Angeles
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How many vehicles?
11 million
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Why did ports cause a problem?
High conc. of diesel fumes
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What was a result of the photochemical smog?
Nitrous oxide reacting with hydrocarbons under intense sunlight
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What do temperature inversions do?
Trap the fumes and prevent them from leaving the atmosphere
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Why did the climate make things worse?
Only 35 days a year are wet
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Where was a LA in the list of most polluted US cities?
2nd in 2008
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How many related premature deaths?
1,600
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What reduction did children have in lung capacity?
10-15%
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What happened to the film industry?
Many went elsewhere
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What regulations were made?
Regular smog checks and and fines if vehicle fumes didn't meet standards
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What was set up in 1967?
California Air Resources Board (CARB) - set air quality standards in 1969
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What does CARB aim to do?
Reduce petrol use by 20% in the next 10 years
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What was put in place to reduce air pollution?
The Clean Air Act of 1963
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What was done in 1966?
Exhaust controls on cars
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Other cards in this set

Card 2

Front

How many vehicles?

Back

11 million

Card 3

Front

Why did ports cause a problem?

Back

Preview of the front of card 3

Card 4

Front

What was a result of the photochemical smog?

Back

Preview of the front of card 4

Card 5

Front

What do temperature inversions do?

Back

Preview of the front of card 5
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