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Rainforests
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Grasslands

How much land is inhabitable?

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April 04, 2014 11:52AM

About 15 billion acres, some 20% of the earth's land mass is today considered habitable. That makes 80% at present inhabitable: Antarctica, deserts, mountains and wilderness. But as the case of the Amazon forests shows, forests can be bulldozered and wilderniss can be made habitable. So the figure only reflects today's land needs and state of technology.