WASHINGTON - A collaborative international assessment of hundreds of peer-reviewed scientific papers published since 2005 finds significant, albeit indirect, evidence that access to voluntary family planning can contribute to an environmentally sustainable world (fpesa.net).
Robert Malthus is too frequently dismissed.
The dire predictions in his An Essay on the Principle of Population have been delayed, but they are coming true.
Those predictions have been delayed by birth control and abortion. Malthus disapproved of both, so he somehow assumed that they would not be widely used.
The predictions have been delayed by the industrial revolution, which Malthus seems hardly to have been aware of, although it was starting in his England, even as he wrote.
Nevertheless, population growth is a major factor in the stagnant economies in the first world, and in the growing misery in the third world. The relationship between population growth and standard of living can be expressed with an equation:
(natural resources x level of technology) / human population = average standard of living