For many in Nome, Alaska who depend on Walruses for food and their ivory, the warming climate that is also thinning walrus heards, is forcing native hunters to travel greater distances to track their prey or spend extra money on the ivory and meat they need. (By Kari Lydersen, August 29; Photo by Paul Nicklen - National Geographic) Read More »

• Scientists Report Further Shrinking of Arctic Ice (By Juliet Eilperin, August 27)