The reusable water bottle is many things to many people: hydration helper, fashion statement, emotional support accessory.

Knowing your symbols makes it easier to reuse and recycle. Groups 1, 2, and 5 are easy to recycle curbside, but groups 4, 6, and 7 are more difficult.

If you live in one of the 10 U.S. states with a bottle deposit program, you’re probably familiar with the idea of feeding your empty plastic bottles or aluminum cans into a machine and getting a few ...