In 1970, Gary Anderson was a 23-year-old college student at the University of Southern California, when a Chicago container company held a design contest to raise awareness about the environment.

It’s a number that you can spot inside the recycling symbol in bottles, containers and other products. The numbers are codes for different types of plastics. The higher the number, the harder it is to ...

The iconic recycling logo has become an internationally recognized standard. When you see the three arrows, you know exactly what it means. Mark Wilson at FastCoDesign deems it "a design classic that ...