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Old-Growth Forests Help Combat Climate Change: Scientific American

Planet Green Articles Feed found this 1/13/2009 on sciam.com

Rare is the forest untouched by man. Whether logging or clearing land for agriculture , the bulk of the world's forests have fallen to crops, cattle or younger trees. According to some estimates, less than 10 percent of forests worldwide can be considered old growth, or undisturbed for more than ...