The plastic films CuanTec makes out of shellfish shells that are left over from seafood production is naturally antimicrobial and lets people keep using plastic wrap without worrying about plastic.

Shell says that it has successfully made “high-end” chemicals using a liquid feedstock made from plastic waste using a pyrolysis process that is considered a breakthrough for hard-to-recycle plastics.

Stacey Leasca is an award-winning journalist with nearly two decades of newsroom experience. She is also the co-founder of Be a Travel Writer, an online course for the next generation of travel ...