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Description (Brief)
Graphic only; no text. Image of a world covered with people (heads only) and a word balloon with word "Help!" coming out of the mouth of one of the people. Black on white. Printing on edge of button reads "1970 ZPG STATE ST. LOS ALTOS, CALIFORNIA / 241-L".
This is the original Zero Population Growth button. ZPG was formed in 1968 at Yale University.
Currently not on view
Object Name
date made
after 1970
Physical Description
metal (overall material)
overall: 3.6 cm x.5 cm; 1 7/16 in x 3/16 in
ID Number
nonaccession number
catalog number
Credit Line
Denton E. Morrison
Environmental Movement
See more items in
Medicine and Science: Biological Sciences
Environmental Buttons
Data Source
National Museum of American History
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