Polymer chemists and a toxicologist told me that polypropylene is the best plastic for non-toxic food storage. Here are the ...

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 ...

As one of the most commonly used plastics in the world, polypropylene presents a global environmental problem because of issues related to its recycling. Researchers have developed a new way of ...

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Polypropylene is one of the most widely used plastics in packaging. But difficulties with recycling are potentially putting its acceptance at risk. At least that's the view of one of the leaders of ...

Chemists have developed a catalytic process that turns the largest component of today's plastic waste stream, polyolefin plastic bags and bottles, into gases -- propylene and isobutylene -- that are ...

Discarded plastic is everywhere, mucking up natural and developed environments alike. Australian scientists say they’ve discovered two varieties of fungi that will eat away at the problem. In a study ...