Plastic pollution is an urgent and far-reaching crisis that threatens natural systems, wildlife, and human health in every country. In response, nations around the world are currently negotiating a high-level treaty to coordinate plastic-reduction efforts on a global scale. Nevertheless, even if an agreement is reached, no single solution can resolve the crisis alone: addressing plastic pollution will require changes at every stage of production and use, from governments enacting new regulations and businesses transitioning to biodegradable materials, to individual consumers choosing reusable ...