Where does the plastic in our oceans come from?Which countries and rivers emit the most plastic to the ocean? What does this mean for solutions to tackle plastic pollution? Most of the plastic in our oceans comes from land-based sources: by weight, 70% to 80% is plastic that is transported from land to the sea via rivers or coastlines.1 The other 20% to 30% comes from marine sources such as fishing nets, lines, ropes, and abandoned vessels.2 I
