Every year, 4.8 to 12.7 million metric tonnes of land-based plastic enter the ocean [1] . As a measure of comparison, that weight is equivalent to between 960 000 and 2 540 000 elephants [2] (more than there are currently left on Earth according to the World Wildlife Fund). Such quantities of plastic have catastrophic effects on the environment: their toxicity contaminates large bodies water, they are fatally ingested by marine wildlife and represent a new vehicle for pathogenic microorganisms to diffuse infectious diseases worldwide [3] . Every day, we are reminded that plastic waste is an environmental time bomb, our Instagram or Facebook feeds constantly exposing us to images of the plastic continents in our oceans or of turtles killed by plastic bags. Overwhelmed by this reality that is our present and future, telling ourselves that it is impossible to reverse the effects of the last hundred or so years of human pollution is an easy way to shift the blame away from our own c...