Plastics are useful. They’re used to help make lifesaving medical supplies, lightweight, fuel-efficient car parts, and insulation for our homes. But nearly half of all plastic produced goes towards single-use items such as bags, straws, utensils and takeout containers. Since the 1950s, humans have produced about 8.3 billion metric tons of plastic. Every year, 8 million metric tons end up in the ocean. Globally, only 9% of plastics are recycled. As the waste piles up, there’s a growing demand for