1. 1846
1.1. acid rain mentioned as probllem
1.2. whale hunting significantly increases with 700 ships
2. 1739
2.1. tanneries removed from commercial district
3. 1859
3.1. first oil pump
3.1.1. oil refinery plants start refining oil to kerosine
3.1.1.1. replaces whale oil for light
3.1.2. starts on producing air pollution from transportation and refinement
4. 1869
4.1. transcontenental rail road completed and start to be used
4.1.1. train engines produces lots of CO2 and CO
4.1.2. transport oil to further palces
5. 1899
5.1. River and Harbor Act
5.1.1. protects rivers from pollution from harbors and some waste dumping
5.1.2. restricts where harbors can be made
6. 1931
6.1. construction of Hoover Dam begins
7. 1957
7.1. first commercial nuclear power plant
7.1.1. 1979 partial meltdown
8. 1963
8.1. clean air act passed
9. 1968
9.1. oil discovered in alaska
10. 1969
10.1. 3 mil barrels spilled in southern california
11. 1971
11.1. 2 oil tankers collide under Golden Gate Bridge
12. 1973
12.1. Alaskan pipeline construction begins
12.2. first oil crisis
13. 1978
13.1. dioxin contamination
13.1.1. evacuation of town
13.1.2. caused radiation sickness/poisoning effects
13.1.3. dioxin found in local crops, livestock, people, river
14. 1979
14.1. 2nd oil crisis oil prices sky rocket
15. 1988
15.1. intergovernmental panel discusses on cause of global warming
15.1.1. CO2
16. 1989
16.1. Exon Valez oil spill
16.1.1. 338.5 thousand barrels of oil
17. 1997
17.1. Kyoto Protocol
17.1.1. international agreement to reduce greenhouse gases
18. 1931
18.1. construction of Hoover Dam begins
19. 1972
19.1. clean water act
19.2. world conference on environmental issues
19.3. DDT banned
20. 1997
20.1. Kyoto Protocol
20.1.1. international agreement to reduce greenhouse gases
21. 1988
21.1. intergovernmental panel discusses on cause of global warming
21.1.1. CO2
22. 1978
22.1. dioxin contamination
22.1.1. evacuation of town
22.1.2. caused radiation sickness/poisoning effects
22.1.3. dioxin found in local crops, livestock, people, river
23. 1963
23.1. clean air act passed
24. 1989
24.1. Exon Valez oil spill
24.1.1. 338.5 thousand barrels of oil