Maps of North and South America (IMAGE) University of Cincinnati Caption UC used satellite images to track landscape change between 1992 and 2015. White reflects little change. Darker shades reflect the greatest rate of change in each category. Credit Tomasz Stepinski/UC 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.