US Plant Stress on June 24, 2011 (IMAGE) NASA/Goddard Space Flight Center Caption Plant stress on June 24, 2011, (top) indicated significant drought in southern US states. Credit NASA/Goddard Scientific Visualization Studio/USDA-ARS 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.