Bag levies are a simple and effective solution. Here in the netherlands (and other European countries) for example you are not allowed to give away free plastic

Bag levies are a simple and effective solution. Here in the netherlands (and other European countries) for example you are not allowed to give away free plastic bags. That significantly reduced plastic in the north sea: https://uk.reuters.com/article/oceans-pollution-plastics/european-efforts-to-curb-plastic-litter-in-oceans-are-working-researchers-idUKL5N1RI3N3 https://uk.reuters.com/article/oceans-pollution-plastics/eur...