California is banning single-use plastic grocery bags again after a previous ban allowed thicker plastic bags, leading to increased plastic waste in landfills.Bill Chappell reports for NPR.In short:California's 2014 ban allowed stores to sell thicker plastic bags,

California became the first US state to ban single-use plastic bags. It proved to be a massive failure. Hoping to rectify the problem, the Golden State is doubling down with a new, even bigger plastic bag law.