Tundra describes the Arctic’s tree-less plains, where shrubs, grasses, and mosses grow and take in carbon dioxide through photosynthesis. Plants eventually release that CO2 back into the ...

Arctic tundra, which for thousands of years ... in Alaska’s Cape Krusenstern National Monument on Aug. 31, 2008. Tundra plants absorb atmospheric carbon in the summer, when they use sunlight ...

After storing carbon dioxide in frozen soil for millennia, the Arctic tundra is being transformed by frequent wildfires into an overall source of carbon to the atmosphere, which is already absorbing ...

Dr. Lutz Schirrmeister, of the Helmholtz Center for Polar and Marine Research ... Today, the study area is a mixture of drier tundra with substantial plant growth, grasses and wetlands underlain ...