Saturday, December 16, 2006

"Humans move 1000 times more earth than annual sediment loads of world's rivers"

GSA Bulletin article - summarized by Discovery program

Brandon McElroy of the University of Texas in Austin and Bruce Wilkinson from Syracuse University have compared the geologic record of past erosion rates on Earth with the amount of surficial material moved by man in farms. Humans rapidly are increasing the rate at which they shape the earth.

No comments: