LiveScience: The big glaciers of Greenland get most of the attention in terms of global warming’s impact on melting and rising sea levels, but it’s actually the little glaciers that count the most, a new study finds. Satellite observations of the Greenland Ice Sheet indicate that nearly 75 percent of the ice lost there actually comes from the island’s small coastal glaciers. The study’s authors say that this finding means small glaciers should be better-observed than they currently are in …