Wednesday, July 24, 2013 CNN.com - Top Stories: Arctic thaw could cost how much?!? CNN.com - Top Stories CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. Arctic thaw could cost how much?!? Jul 24th 2013, 22:31 Scientists look at a warming Arctic and see a shift from white to green, as tundra gives way to new plant life. You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions Tweet