Warming at the poles will soon be felt globally in rising seas, extreme weather

National Geographic | Dec 4, 2019 at 7:00 PM
  • Eric Post has observed seasons at the same location on the West Greenland tundra for 26 years.
  • Thinning glaciers, disturbed ecosystems, and other alarming shifts as heat-trapping fossil fuel emissions build up, changes are sweeping the northern region far faster.
  • Arctic land ice—particularly the vast ice sheet atop Greenland—is thawing faster than current climate models suggest, and could raise sea levels substantially more than the 3 feet projected by the end of the century in the Intergovernmental Panel on Climate Change’s report released in September.