Search the Wisconsin Historical Society's collections
Filter: Year of 1900-1999
Filter: Subject of environmentalism
| Read about Earth Day's founder, Gaylord Nelson, a Wisconsin senator and early environmentalist. |
| The People who Shaped the Movement |
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| Discover how a 19th century Scottish farm boy and many other devoted citizens created the conservation movement in Wisconsin. |
| Read about Wisconsin's role in the development of the environmental movement in the United States in the 20th century. |
| Wisconsin's Camp Craft Camp for Girls, 1930-1955 |
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| This gallery shares more than 100 images from a northern Wisconsin summer camp for girls that operated between 1930 and 1955. |
| Father of Wildlife Ecology |
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| Learn about the man whose focus on the philosophy of conservation would inspire the environmental movement during the mid-20th century. |
| Founder of Earth Day |
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| This Wisconsin Senator, best known as the founder of Earth Day, championed the preservation of the environment and natural resources. |
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