Like herrings in a barrel
In 1,000 years, the human race has multiplied 20 fold. Today's 6 billion people may be 9 billion by 2050. Yet the increase has slowed; rich nations breed less : a
In 1,000 years, the human race has multiplied 20 fold. Today's 6 billion people may be 9 billion by 2050. Yet the increase has slowed; rich nations breed less : a