Sorry if this is old news. We know ice is melting near the poles, but I was interested to learn that the albedo of Greenland is changing (significantly, too!) due to changing snowflake geometries within the snowcover of Greenland. http://www.ess.uci.e...s/rignot2012010 The ice sheet covering Greenland is growing darker in response to global warming, new satellite data show, an effect that reaches into the interior and has altered virtually the entire surface of the island. The darkeni