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Friday, October 2, 2009

How We Use Our Planet

Until we find some habitable extrasolar planets and figure out how to get to them, we have a limited number of available planets to us as a species. Currently about 75% of ice-free land on Earth has been altered by humanity according to a recent study (subscription required) by researchers at the University of Maryland and McGill University. Here's how we use our current allotment of planets (click to embiggen):
See the accompanying explanation from NASA's Earth Observatory here.
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1 comment:

  1. Serge Le Coz L'EternelOctober 3, 2009 at 2:48:00 AM PDT

    It should be good if we find more about the general conditions of creation of life on an other planet.

    ReplyDelete

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