BOULDER, Colorado, Oct. 23 -- The Cooperative Institute for Research in Environmental Sciences issued the following news: * * * Landmark project wraps up after 15 years of collecting vital climate data from Greenland The project has significantly advanced scientists' understanding * A 15-year project that captured critical measurements atop the Greenland Ice Sheet has ended. Scientists around the world are trying to understand how, and how quickly, Greenland is warming because ice melt ther  more