Reaching High (IMAGE) Columbia Climate School Caption Zsofia Stangl, a student at Umea University and study coauthor, collects leaf samples from high up in a pine stand in northern Sweden. Credit Mary Heskel Usage Restrictions Credit must be given. 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.