Benefits of Rainforests

By Dr. Heather Stein - Dr. Wallace S. Broecker, an eminent geologist at Columbia's Earth Science Institute, may challenge the oft-cited claim that the world's rainforests are responsible for 20% of the global oxygen supply, but there is no doubt that the loss of our rainforests to deforestation threatens all of us. Broecker points out that the "extra oxygen" produced by these ecosystems with year-round humid and warm conditions is offset by the other life forms in the environment -- animals, insects, fungi, and of course bacteria. The biodiversity of...
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