A symbol designating aluminum beverage cans as recyclable was understood by 95 percent of respondents, while a similar one for glass bottles and jars met with a lower 86 percent level of recognition.

Around the world, the triangle-shaped symbol found on recyclable items is called the “chasing arrows,” and includes corresponding numbers to indicate what kind of material each item is made of.

Truth in Recycling Law” – which generally prohibits companies from using the ​“chasing arrows” symbol or otherwise implying that a product or package is recyclable, unless the product or package is ...