Worldwide attention to environmental issues led to the first Earth Day in 1970. Container Corporation of America, a … See more

The recycling symbol is in the public domain and is not a trademark. The Container Corporation of America originally applied for a trademark on the design, but the application was challenged, and the corporatio… See more

In 1988, the American Society of the Plastics Industry (SPI) developed the resin identification code that is used to indicate the predominant plastic material used in the manufacture of the product or packaging. Their purpo… See more

♾, an infinity sign (∞) inside a circle, represents the permanent paper symbol, used in packaging and publishing to signify the use of durable acid-free paper. In some ways, this logo expresses the opposite intention fr… See more

• Green Dot symbol
• List of international common standards
• Japanese recycling symbols See more

• Jones, Penny; Powell, Jerry. "Gary Anderson has been found!". Resource Recycling: North America's Recycling and Composting Journal, May 1999.
• Everson, Michael; Freytag, Asmus (2001-04-02). "Backgroun… See more