Central Park Forestry (IMAGE) Advanced Science Research Center, GC/CUNY Caption Researchers examined core samples from trees in urban areas and found they are more adversely affected by climate stress than their rural counterparts with less exposure to high levels of carbon emissions. Credit Anthony Cak Usage Restrictions All Rights Reserved 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.