
Women's City Club
Aboard the ship “Goodtime,” the Cleveland Women’s City Club assesses the Cuyahoga River water pollution in 1966. (Image courtesy of The Cleveland Press Collection.)
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Greta Thunberg
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Somber Valedictorians
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Ohio Canal Suds
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Santa Barbara Oil Spill
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Earth Day Ad
The 1970 advertisement placed in The New York Times by Senator Nelson’s non-profit organization, The Environmental Teach-In. (Image courtesy of Earth Day Network.)
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Pollution Teach-In
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Fifth Avenue, NYC
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Peter Hallerman
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“Hair” Performers

The Dirty Dozen
A 1974 Environmental Action poster that depicts 12 congressmen who voted against environmental concerns. Their faces are superimposed on a picture of an early twentieth-century “sports team.” (Image courtesy of the Smithsonian Institution.)
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Washed Ashore Project
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Dakota Access Oil Pipeline
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Teen Eco Summit
Ohio teenagers earn a $1,000 grant in 2019 to create an environmental sustainability project at their high school. (Image courtesy of Piper Sullivan.)