Longer growing seasons and warmer temperatures provide a more favorable environment for this alder seedling to colonize the Arctic tundra, which once was covered only by lichens and low-growing plants. As taller vegetation and shrubbery increase, they serve as an indicator of a strongly warming Arctic. (Photograph courtesy Gerald Frost, University of Virginia/NOAA Climate Watch)

March, 2014

Mapping change in the Arctic

If you live in, work in, or study the Arctic, you may have noted firsthand the evidence of warming felt more strongly there than in most other places on Earth. Summer sea ice is drawing back from coasts, glaciers are waning, ice sheets are discharging rivers of summer melt; once permanently frozen ground is turning… Read more »

Recent Articles