Using data from the European Space Agency’s Cryosat program, researchers have found some encouragement regarding Arctic ice. It appears that a couple of cool summers have allowed the ice pack to rebuild, at least a little. While totals are still well below historical averages, this suggests greater resiliency by the pack than previous data had suggested. The new data also pointed to temperature as being far and away the most important factor in pack development, and with global temperatures clearly on the rise, there is still cause for much concern. The BBC reports: