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Environmental Science MB
Создана
EVAN LARSEN
⟶ Обновлено 1 янв 2018 ⟶
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События
April 22, 1970- First Earth Day Founded by Wisconsin Senator Gaylord Nelson
September 27, 1962- Rachel Carson publishes Silent Spring
Smithsonian Institute Founded 1846 Established by the U.S. Congress
1900- First air pollution studies
1902- First water quality standard
1948- First Federal Clean Water act
Периоды
1800s- Ecology Starts- The term ecology was founded by Ernst Haeckel