Snow is white, which makes it reflect about three quarters of the solar energy hitting it when covering the tundra: it ...

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 ...

The Arctic tundra now releases more carbon than it naturally ... than carbon dioxide — as bacteria in the soil digest thawing plant matter. Meanwhile, rising Arctic temperatures are driving ...

The Arctic tundra, a critical “carbon sink” for thousands ... including wildfires, plant and microbial changes, and thawing permafrost. Permafrost is ground that is permanently frozen, which ...

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 ...

By Rachel Cassandra The Arctic tundra shifted this past year from capturing carbon to releasing it, which means it’s now ...

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 ...

Shorter snow seasons can challenge plants and animals that depend on ... For thousands of years, the Arctic tundra landscape of shrubs and permafrost, or frozen ground, has acted as a carbon ...

Arctic tundra has acted as a carbon sink for thousands ... While warmer temperatures may increase vegetation in the region, allowing plants to remove more CO2 from the atmosphere, it’s not ...