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Chapter 1 outline (sample)

Chapter 1 outline (sample) - Chapter1:...

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Chapter 1:  Introduction to Environmental Science Human Impacts on the Environment Millions of species inhabit the earth The earth is remarkably well-suited for life (water, sun, temperature, gases, soil) Life has existed for 3.8 billion years Humans have been around for 800,000 years but have been the most significant  agent of env change 1.  Increasing human numbers Tokyo is the largest city with 35 million people 16 cities have populations > 10 million 400 cities have populations of at least 1 million In 1999, population passed 6 billion (growing exponentially) Uncertainty about future population numbers Current worldwide average = 3 children/family World Bank:   makes loans to developing countries for projects that encourage  development Poverty:   A condition in which people cannot meet their basic needs for adequate  food, clothing, shelter, education, or health *1.2 billion people live in poverty  *Per capita income is < $1 per day   HDC:   Countries with a complex industrialized base, low rates of population  *20% of world’s population *US, Japan, most of Europe MDC:   Developing countries with medium levels of industrialization and average 
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  • Winter '11
  • Yatea
  • per capita, capita income, Consumption Overpopulation  People, Resource Consumption Consumption, capita income *Kenya, future population numbers

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