Even soil feels the heat: Soils release more carbon dioxide as globe warms
Wednesday, March 24, 2010 - 14:22
in Earth & Climate
Twenty years of field studies reveal that as the Earth has gotten warmer, plants and microbes in the soil have given off more carbon dioxide. So-called soil respiration has increased about one-tenth of 1 percent per year since 1989, according to an analysis of past studies.