Greening animation (IMAGE) Cornell University Caption Animation showing vegetation greening throughout the Western Hemisphere during the course of a year. Credit Frank La Sorte, Cornell Lab of Ornithology Usage Restrictions For use only with articles about this research. 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.