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1780s Thomas Malthus
1890 U.S. Government declares frontier closed
1891 Forest Reserve Act (1891)
1892 John Muir (1892), preservationist
1892 Sierra Club
1900 Lacey Act (1900)
1900-1909 Theodore “Teddy” Roosevelt (early 1901-1909 The Golden Age of Conservation)
1902 Reclamation Act (1902)
1905 Audobon Society, founding of (1905)
1905 Gifford Pinchot (1905)
1906 Antiquities Act (1906)
1908 Svante Arhenius (1908)
1910 Alice Hamilton (1910?)
1916 Woodrow Wilson and National Park Service Act (1916)
1918 Migratory Bird Treaty Act (1918)
1930s Franklin D. Roosevelt (early 1930s stuff … think history class!)
1933 Civilian Conservation Corps (1933)
1933 Tennessee Valley Authority (1933?)
1934 Dust Bowl begins in Midwest (1934)
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1952 London Killer Smog (1952, 1956, 1962)
The Great Smog (1952)
Event occurred in London, England in the winter of 1952
Known as one of the worst man-made pollution events in the world because of the excessive amounts of fatalities that occurred.
About 4,000 fatalities occurred during the event and about 8,000 after it was initially over.
Visibility was reduced to a few yards making driving difficult to impossible. It also affected public transportation and emergency transport. This caused people to have to walk to hospitals and other places
Weather played a key role in producing the smog. Windless and cold conditions helped the smog stay motionless over the city
This smog event made the public aware that smog can kill, so the public demanded that the government stepped in and take action.
These protests lead to a parliament that ultimately reduced fossil fuels admission in major cities around the world (Clean Air Act 1956)
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