It won't be long now until the mistreated earth will be unable to feed the ever-multiplying billions of people who swarm over it. This is the considered warning of Fairfield Osborn, president of the New York Zoological Society, in a recently published book, Our Plundered Planet (Little, Brown; $2.50).
The human race is enjoying what zoologists sometimes call a "breeding storm." In 1630 there were about 400,000,000 people on earth. By 1830 the earth's population had doubled. By 1900 it had doubled again: to 1,600,000,000. Now the total is over two billion, and the increase is about 1% (20,000,000 people) a year.
Thus...
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