Microplastics Moving through Environment (IMAGE) Washington State University Caption Graphic displays how microplastic fibers move through the environment. The blue ovals represent gravel grains and the bright colored objects represent synthetic fibers. Credit WSU 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.