Washington Post: In a new study, scientists with the University of Alaska at Fairbanks and several other institutions report a staggering finding: Glaciers of the United States largest and only Arctic state, Alaska, have lost 75 gigatons (a gigaton is a billion metric tons) of ice per year from 1994 through 2013. For comparison, thats roughly half of a recent estimate for ice loss for all of Antarctica (159 billion metric tons). It takes 360 gigatons of ice to lead to one millimeter of sea level rise, which...