Sunday, December 25, 2005

vertical farming

At humankind's current rate of growth, it is estimated that by the year 2050, the planet will be host to three billion more people than it is today, making for a 40% increase over Earth's current population. Yet at present, over 80% of the planet's arable land is already in use, which leaves one to wonder how such a large number of people will be fed.

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