Tauren Dyson, writer for UPI: A century ago, only 15 per cent of the Earth's surface was used by humans to grow crops and raise livestock," James Watson, a professor at University of Queensland's School of Earth and Environmental Sciences, said. "Between 1993 and 2009, an area of terrestrial wilderness larger than India -- a staggering 3.3 million square kilometers -- was lost to human settlement, farming, mining and other pressures."
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