Height of Trees (IMAGE) NASA/Goddard Space Flight Center Caption Height of trees, derived from Landsat data, over a portion of the Bahamian island of Eleuthera. In the left-most image, green indicates tree height. In the right-hand image series, green indicates the density of trees at different heights. Dark gray coloring indicates non-forested area. Light gray color is water. Credit Eileen Helmer 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.