(FILES) This photograph shows waste trapped by a net from a rainwater outlet channel, in Rouen, north-western France, on March 28, 2023. Scientist Romain Tramoy, a geologist specializing in sediments, has been conducting unprecedented experiments for years to study the crazy life of plastics in the Seine, and understand not only how many end up there, but also where they come from and how they make their way, or not, to the sea. (Photo by Lou BENOIST / AFP)
