Anders Bo Skov, University of Copenhagen (IMAGE) University of Copenhagen - Faculty of Science Caption Saving sunshine for a rainy day is not trivial. Now a University of Copenhagen student has managed a breakthrough on the way to non-toxic and non-polluting molecules suitable for storing climate neutral solar energy. Credit Photo: Jakob Helbig/ University of Copenhagen. 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.