More than four decades ago, Paul Ehrlich and John Holdren said complacency concerning the impact of human population growth is “unjustified and counterproductive.” More than 200 years ago, Thomas Malthus made the case that “the way we have to reduce the birth rate is family planning and delaying marriage, [thus] expanding the number of years … Continue reading From Malthus to Ehrlich and Beyond: William Pan on the Roots of PHE