Using sunlight to recycle black plastics (IMAGE) American Chemical Society Caption Inside this reaction vial, spotlit by concentrated sunlight, a piece of black polystyrene from a foam tray breaks down into a recyclable material. Credit Hanning Jiang Usage Restrictions Image may only be used with credit shown. 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.