White arrows creating a triangle on a black background
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The symbol on this button is the internationally recognized symbol for recycling. In the late 1960s and early 1970s worldwide attention to environmental issues culminated in the first Earth Day. Container Corporation of American sponsored a contest for art and design students to raise awareness for environmental issues and the winning entry is now a universal symbol used to designate recyclable materials. The symbol is not trademarked and is in the public domain.