cosmosmagazine.com/biology/just-10-rivers-to-blame-for-millions-of-tonnes-of-ocean-plastic
Two rivers in Indonesia, three in China, one in Nigeria, the Amazon, one in Burma, the Ganges, and one in the Philippines.
“Reducing plastic loads by 50% in the 10 top-ranked rivers would reduce the total river-based load to the sea by 45%,”
An earlier study named 20 rivers with similar conclusions, adding two more in Indonesia, two more in Nigeria, three more in China, one in Taiwan, one in Colombia, and the Mekong
www.nature.com/articles/ncomms15611/tables/1