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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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jw
⟶ Atualizado 4 dez 2017 ⟶
List of edits
Comentários
Eventos
Agricultural revolution
Industrial revolution
The Homestead Act
American forestry association founded
Golden age of conservation
Dust bowl
A silent spring
Cuyahoga river caught fire
Environmental Protection agency founded
Love Canal
chernobyle
Exxon Valdez
The Clean water act
The desert protection act
The clean air act
The Audubon society founded
Taylor Grazing act
Aldo Leopold
Kyoto protocol
Wilderness act