Plastics have a gigantic built-in problem: They’re tenacious, which is very good for a milk jug or a car bumper. But they don’t easily break down, which is bad for the environment. From the 1950s, when plastics were first produced in significant amounts, through 2017, the petrochemical industry churned out more than 8.3 billion metric … Continue reading Promising breakthrough creates plastics that self-deconstruct on cue: Study