5 unusual waste products that have been recycled into something new
![Yellow tennis ball on court](https://rpra.ca/wp-content/uploads/ben-hershey-K9HgyI3qmqA-unsplash_web-810x266.png)
The drive to recycle more has led to some unusual innovations. Read about companies upcycling waste such as coffee grounds, tennis balls, inner tubes, chewing gum, and face masks.
Photo by Ben Hershey on Unsplash