New York Times: With the annual pullback of Arctic Ocean sea ice at an end, its clear that this years retreat is nowhere near the satellite-era record set in 2012, but its also clear that there is still a long-term trajectory toward a largely open-water Arctic in summers in coming decades. The image above is from The Cryosphere Today, a valuable Website maintained by William Chapman and others at the University of Illinois, Urbana-Champaign. The National Snow and Ice Data Center has not quite officially called...