Technically, it exists. But here’s what to think about when shopping. Credit...Naomi Anderson-Subryan Supported by By Hiroko Tabuchi On the face of it, biodegradable plastic is a miracle. It looks ...

Everyone has one: a scratched, stained plastic cutting board that’s been in your kitchen for years. Despite how many times you say to yourself, “I should get a new one,” you never do — but now, it’s ...