Deep dive: The evolution of our plastic dependency

Plastics have only been around for a little over a century. But in that time, they've become a huge part of our lives and a growing burden for the environment. Each year, the world produces over 430 million tons of plastics, and that figure is set to triple by 2060. A binding global plastics treaty is key to solving the problem. But just how did we get here in the first place?