Alaska Dispatch: Every year, as Arctic sea ice thins, scatters and melts, scientists ask: How low will it go? While the long-term trend of less summer Arctic ice is clear, the short-term outlook for total melt in any given year is far murkier, thanks to the many and sometimes highly volatile factors that drive the final outcome. Still, scientists are attempting to predict how much Arctic sea ice will remain at the end of this years melt, expected in mid to late September. The latest round of expert predictions,...