"I said that population, when unchecked, increased in a geometrical ratio; and subsistence for man in an arithmetical ratio."  Thomas Malthus, 1798  "The battle to feed humanity is over. In the 1970s, the world will undergo famines. Hundreds of millions of people are going to starve to death in spite of any crash programs embarked upon now.  Population control is the only answer."  Paul Ehrlich, in The Population Bomb, 1968.Human Population Growth Since 1750(Read Full Post)