Existing single half-twist variants of the logo do not generally agree on which of the arrows is the one to fold underneath. However, most variants of the symbol used today have all the arrows folding over themselves, producing a Möbius strip with three half-twists. īoth Anderson's proposal and CCA's designs form a Möbius strip with one half-twist by having two of the arrows fold over each other, and one fold under, thereby canceling out one of the other folds. Anderson's original proposal had the arrows form a triangle standing on its tip-upside down compared with the versions most commonly seen today-but the CCA, in adopting Anderson's design, rotated it 60° to stand on its base instead. Though use of the symbol is regulated by law in some countries, countless variants of it exist worldwide. As such, anyone may use or modify the recycling symbol, royalty-free. The Container Corporation of America originally applied for a trademark on the design, but the application was challenged, and the corporation decided to abandon the claim. The recycling symbol is in the public domain, and is not a trademark. However, the universal symbol may have been inspired by similar existing at the time recycling symbols, such as one featuring two arrows chasing each other in a circle that Volkswagen stamped in the early 1960s into some automobile parts it remanufactured. The public-domain status of the symbol has been challenged, but this challenge was unsuccessful owing to the wide use of the symbol. The symbol is not trademarked and is in the public domain. It was won by Gary Anderson, then a 23-year-old college student at the University of Southern California, whose entry was the image now known as the universal recycling symbol. Container Corporation of America, a large producer of recycled paperboard, sponsored a contest for art and design students at high schools and colleges across the country to raise awareness of environmental issues. Worldwide attention to environmental issues led to the first Earth Day in 1970. Many variations on the logo had been created since its creation. The public domain status of the symbol has been challenged before, but attempts have been unsuccessful. The symbol's creation originates on the first Earth Day in 1970, where the logo depicted is a Möbius strip. The universal recycling symbol ( U+2672 ♲ UNIVERSAL RECYCLING SYMBOL or U+267B ♻ BLACK UNIVERSAL RECYCLING SYMBOL in Unicode) is internationally recognized for symbol for recycling activity. Both filled and outline versions of the symbol are in use. The Universal Recycling Symbol, here rendered with a black outline and green fill.
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