Healthy coral reefs are some of the most biodiverse ecosystems on the planet, leading some to call reefs the rainforests of the sea. Coral reefs are also threatened by ocean acidification caused by pollution, overfishing, and more. Check out this wonderful interactive atlas of coral reefs in remote locations around the world. You can explore the map by selecting a pin or using the menu to choose a location, then zoom into a specific island area within that location to view a colorful detailed map of its reefs different habitat areas, many of which are accompanied by underwater videos. This online map also includes GIS tools enabling you to measure and analyze specific reef habitats. These and other features are explained in the map’s useful help section. Check it out!