plastic (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A modified plastic (left) breaks down after just three days (right) in standard compost and entirely after two weeks. Credit UC Berkeley photo by Ting Xu 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.