Huanhuan Yu The dangers of overpopulation and why












- Slides: 12
Huanhuan Yu
The dangers of overpopulation and why we must bring it under control Source: sites. psu. edu
Definition of Overpopulation • Overpopulation occurs when an organism’s numbers exceed the carry capacity of its habitat. • Population growth: § § 1900 – 1. 6 Billion 1990 – 5. 3 Billion 2017 – 7. 6 Billion 2050 – 9. 7 Billion (projected)
Main Causes of Overpopulation • Better medical facilities • More hands to overcome poverty • Lack of family planning Source: Population institute
Effects of Overpopulation • Depletion of Natural Resources – Drinkable water, fossil fuel, minerals • Degradation of Environment – Massive pollution • Increased risk of conflicts – Regional and Global wars • Decrease in quality of life – Higher cost of living
By 2030, nearly HALF of the world’s population will be living in regions of high water stress. Source: Population institute
The five-year long civil war in Syria • Population went from 3 million in 1950 to more than 22 million in 2012 • This caused the country's total per capita renewable water availability to plummet by 90% Source: capsweb
Proposed Solutions • Better education – Family Planning – Dangers of overpopulation • Government Incentives – Tax Benefits or Concessions • Empower women • Reduce poverty – Overpopulation occurs mainly in poorer countries
China’s One-Child Policy • China’s population grew from 540 million in 1949 to 940 million in 1976. • One-child policy was instituted in 1979 as a means to control the population growth. • Quality of life for women in China improved. • The transition was greatly helped by economic reforms. • Not a perfect solution, abolished in 2015 to improve population balance.
References: • “Key Facts | Population Matters - for a Sustainable Future. ” Population Matters, www. populationmatters. org/the issue/overview/facts/? gclid=Cjw. KCAjwgr 3 ZBRAAEiw. AGVssn. Zk. BFz. E 0 i. F 6 q. EGKeaa. Rd. Ow. Fk. DK CFUheq. V 4 cc. Jm. BTWOY 5_Olnwf. TLUho. Cv. Og. QAv. D_Bw. E. • “Overpopulation: Causes, Effects and Solutions. ” Conserve Energy Future, 12 Apr. 2017, www. conserve-energy-future. com/causes-effects-solutions-of-overpopulation. php. • “Population and Water. ” Population institute, July 2010, pp. 1– 2. , https: //www. populationinstitute. org/external/files/Fact_Sheets/Water_and_population. pd f. • Kolankiewicz, Leon. “Overpopulation, Drought and Syria's Devastating Five-Year Civil War. ” CAPS California For Population Stabilization , 12 Apr. 2016, www. capsweb. org/blog/overpopulation-drought-and-syria%E 2%80%99 s-devastating-fiveyear-civil-war. • Positive News. “ 5 Possible Solutions to Overpopulation. ” Positive News, 10 July 2017, www. positive. news/2017/society/28035/5 -possible-solutions-overpopulation/. • Wikipedia contributors. "One-child policy. " Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 26 Jun. 2018. Web. 26 Jun. 2018.