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Overpopulation - Page Text Content

FC: Overpopulation Events | By: Maggie Leibold Sam Lopez Jessica Noe Mod 6/7

1: Overpopulation and Extinction | - Harvard biologist E.O. Wilson estimates that 30,000 species per year (or three species per hour) are being driven to extinction - when the human race, also called Homo Sapiens, migrated to Africa 90,00 years ago, Europe and Australia 40,000 years ago, North America 12,500 years ago, and the Caribbean 8,000 years ago, waves of extinction soon followed | -first wave of extinction targeted large vertebrates hunted by hunter-gatherers - second, larger wave began 10,000 years ago as the discovery of agriculture caused a population boom and a need to plow wildlife habitats, divert streams, and maintain large herd of domestic cattle - third and largest wave began in 1800 with harnessing of fossil fuels, with cheap energy at it disposal, the human population grew from 1 billion in 1800 to 2 billion in 1930, 4 billion in 1975, and 6.8 billion today

2: China's Population Rule | - Chinese leader Deng Xiaoping established the one child policy in 1979 to limit communist China's population growth. It was designated as a "temporary measure", it continues a quarter-century after its establishment - this policy limits couples to one child. Fines, pressures to abort a pregnancy, and even forced sterilization accompanied second or subsequent pregnancies - citizens in rural areas and minorities living in China are not subject to the law - this rule isn't very good for female infants; abortion, neglect, abandonment, and even infanticide have been known to occur to female infants

4: Overpopulation and the Environment | The impact of human population on the environment have been severe. -animal species have been extinguished or forced to live in inhospitable regions by advance of urban areas -pollution is a problem that is increasing gradually from car usage -emerging countries industrialization is not paying attention to environmental issues because of the feeding demands of their ever-growing population

5: - Due to the opening out of human settings, 16 million hectares of forest are chopped down each year. - About 5 million people die every year from illnesses associated to organic wastes. - The accelerated growth of human populations have propitiated the destruction of natural habitats of many species. People are invading the habitats of those species, replacing them to inhospitable places and condemning the native species to extinction. - The speed of extinction of plants and animals attributable to human activities is 10,000 times faster than the natural quotient | Fun Facts

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  • By: Maggie L.
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  • Title: Overpopulation
  • Global Challenge project
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  • Started: almost 7 years ago
  • Updated: almost 7 years ago