Polypropylene is a plastic that’s used in many products, including food storage containers. You can recognize it as the number 5 surrounded by a triangle on the bottom. It’s generally considered one ...

Look out No. 5. That’s right, the nonprofit Recycling Partnership is talking to you polypropylene, aka No. 5 plastic. Turn over a yogurt container or butter tub and you’re likely to see the No. 5 mark ...

Polypropylene is a type of plastic used to make everything from yogurt containers to water bottles. It's easy to recycle and is one of the most popular plastics used today. You'll know a piece of ...