Barre Montpelier Times Argus: In 1798, Robert Malthus, in his “Essay on the Principle of Population,” concluded that as population grows, “the price of labor must tend toward a decrease, while the price of provisions would at the same time tend to rise.” In 1968, Paul Ehrlich in the book “The Population Bomb,” predicted disaster for humanity owing to the “population explosion.” Ehrlich was also one of the first to talk about rising carbon dioxide levels in the atmosphere and …