Globally only 9% of all plastic waste is recycled. But why are mechanical recycling rates so low? And could chemical recycling help achieve our targets or is this the wrong approach to the plastic waste problem?

Each year, millions of tons of plastic waste ends up in the environment where it can last for centuries. But the discovery of plastic-gobbling enzymes has raised hopes of solving this mounting problem. Some scientists have called these tiny plastic eaters a game changer. But is this really a...