Earth Day

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David Powell, a University of Pennsylvania graduate, designed this button for the Philadelphia Earth Week Committee on the occasion of the first Earth Day in 1970. The button was made by Horn Badge Co. of Glenside, Pennsylvania.

David Powell, a University of Pennsylvania graduate, designed this button for the Philadelphia Earth Week Committee on the occasion of the first Earth Day in 1970. The button was made by Horn Badge Co. of Glenside, Pennsylvania.

David Powell, a University of Pennsylvania graduate, designed this button for the Philadelphia Earth Week Committee on the occasion of the first Earth Day in 1970. The button was made by Horn Badge Co. of Glenside, Pennsylvania.

Earth Day