Marine ecosystem 2 (IMAGE) University of Cambridge Caption Governments are making a push for the use of biodegradable materials, but scientists say the impacts these materials may have on ocean life aren't known Credit Emma Johnston Usage Restrictions With credit as below License Original 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.