June 22, 2005 4:51 PM Subscribe
By the year 2050, nearly 80% of the earth’s population will reside in urban centers. An estimated 109
hectares of new land (about 20% more land than is represented by the country of Brazil) will be needed to grow enough food to feed them, if traditional farming practices continue as they are practiced today.
A Potential Solution: farm vertically
posted by signal (36 comments total)
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