As I’m sure we all have heard, Greenland is melting due to this idea of global warming. The complete melting of its ice sheet could raise sea levels by up to 20 feet. Some scientists have embarked to take measurements of a rivers flow rate to get an idea of just how fast the sheet is melting. Their data has not yet been published, but with it they hope to make more accurate diagrams of global sea level rise. The article can be found here.