a list of common materials to test your knowledge of plastic, and to marvel at the scale of the plastic pollution crisis ...

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 ...

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 ...