Using satellite photos and computerized mapping technologies, an international research team counted all of the lakes on Earth. They found about 117 million lakes, covering almost four percent of the world’s land surface, not counting the glaciers on Greenland and Antarctica, according to a new study.It is the first time the world’s lakes have been counted using a reliable method, the study claims.The research team from Sweden, Estonia, France and United States undertook the study to help them understand more about the role of lakes in the global carbon cycle and other natural...