Satellite Images Depict the Growth of Manila between 1989 and 2012 (image) United Nations University Share Print E-Mail Caption Satellite images depict the growth of Manila between 1989 and 2012. Covering 638 km2, its greater metro region now houses 11 million people, making it the 9th largest city by population. One fifth of the global population occurs along tropical coasts in small villages and in cities like this. Credit Image courtesy US Geological Survey - Earth Resources Observation and Science Center, and National Aeronautics and Space Administration - Land Processes Distributed Active Archive Center Usage Restrictions None Share Print E-Mail 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.