Map comparisons (IMAGE) Arizona State University Caption Visual comparisons of a map by the United Nations Environment Program World Conservation Monitoring Centre (UNEP-WCMC), the leading global coral reef map, and the GDCS coral reef extent map in different regions, including (a) Great Barrier Reef (GBR), Australia, Papua New Guinea, Indonesia; (b) Madagascar, East Africa; (c) Red Sea, Samoa, Virgin Islands Credit Center for Global Discovery and Conservation Science at Arizona State University 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.