Curious Kids: If plastic comes from oil and gas, which come originally from plants, why isn’t it biodegradable? – the Conversation

Question from Neerupama, age 11, Delhi, India..
To better understand why plastics don’t biodegrade, let’s start with how plastics are made and how biodegradation works…
How Plastics Are Poisoning Us – the New Yorker

They both release and attract toxic chemicals, and appear everywhere from human placentas to chasms thirty-six thousand feet beneath the sea…How worried should we be about what’s become known as “the plastic pollution crisis”? And what can be done about it? These questions lie at the heart of several recent books that take up what one author calls “the plastic trap…”