Tuesday, April 22, 2014

HAPPY EARTH DAY!!!

4/22/2014

Happy Earth Day!

Discuss the trends in emissions based on your assigned graph.

Be ready as a group to record:

the peak
the lull (lowest point)
the general trend


 
 Graph title
 Lowest Year
Highest Year
 General Trend (increasing or decreasing)
 1. Carbon Monoxide
 
 
 
 
 2. Nitrogen Oxide
 
 
 
 
 3. Volatile Organic Compounds (VOCs)
 
 
 
 
 4. Sulfur Dioxide
 
 
 
 
 5. Lead
 
 
 
 
 6. Population, GDP & Vehicle Miles
 
 
 
 
 7. Life Expectancy
 
 
 
 





 
 
 

 
 




 
 


1. For each Graph ask describe the change
in emissions from 1940 to 1998.


2. What factors would cause such a change?

3.  What are possible sources of air pollution?
 
4. How, then, could these causes of air pollution be mitigated or reduced?
 
5. Do people change first and this cultural shift leads to new laws, or do laws come first and then force people’s habits to change?
 
6. Why would a Congressperson introduce a law in the first place?

  

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