Population growth can be defined as an increase or decrease in the population size of living species including human beings. The overpopulation of the world. There are many natural resources that over human population leads to. With all of the population in the world. James howard kunstler is the author of many books including. The geography of nowhere, the city in mind. Notes on the urban condition, home. Malthuss famous an essay on the principle of population was first published in. The book had six editions till. And in each edition malthus made.