Overpopulation and the Environment Could you please use those Reference?
Valentina Mazzucato and David Niemeijer, Population Growth and the Environment in Africa: Local Informal Institutions, the Missing Link. (Economic Geography, Vol.78, No.2, Apr 2002)
Mei-Ling Hsu, Growth and Control of Population in China: The Urban-Rural Contrast (Annals of the Association of American Geographers, Vol.75, No.2, Jun 1985)
Laura E. and Hanna Skandera, Population puzzle: boom or bust? (Stanford, Calif. : Hoover Institution Press, 2014)
Thomas Robert Malthus, An Essay on the Principle of Population, London: Electric Book Co. The current population of the Earth is over 7.6 billion people and growing. It could reach 8 billion by 2025, 9 billion by 2040, and a whopping 11 billion by 2100.