The Population Bomb

abortion action agricultural American areas biological biologists birth control birth rate Catholic changes Church cities contraception control programs countries course crisis crowded cultural death rate decade dieldrin disease doubling Earth ecological economic ecosystems effect efforts endrin environment family planning famine farm fire ant fish food production genetic going Green Revolution groups growing growth rate heptachlor human population increase India industry insect insecticide land Lassa fever least less letter limit living major malaria mankind ment mercury million nations Nigeria ODCs organizations overpopulation perhaps pesticides pests photosynthesis plants poisoning politicians popu population control population explosion population growth population problem present President pressure protein reduce reproductive scientists screwworm Senator serum Slobbovia smog social starvation sterilization survival target thousand tion treated UDCs United USDA virus York