Ancient carbon trapped in Arctic permafrost is extremely sensitive to sunlight and, if exposed to the surface when long-frozen soils melt and collapse, can release climate-warming carbon dioxide gas into the atmosphere much faster than previously thought.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/5...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/5...