Global Warming–Earth is Tougher Than We Thought
Researchers may have been overestimating the degree of warming that the Earth will experience in the future. This has been revealed by studies of the release of carbon dioxide back into the atmosphere from the soil, a process known as soil respiration. A team at the University of Oklahoma spent a year artificially warming areas of the prairie at a fixed level above the air temperature and comparing the results with unheated areas.
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