Marine Litter (IMAGE) Helmholtz-Zentrum Hereon Caption Between 1990 and 2015 alone, up to 100 million tons of trash are believed to have entered the oceans. Credit Photo: Brian Yurasits via Unsplash Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.