F07.ES204.Population

F07.ES204.Population - Environmental Science 204 Population...

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1 Environmental Science 204 Population ImPaCT ( Human Impact (Im) = Population (P) x Consumption (C) x Technology (T)
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2 Consumption American Consumption
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3 Technology: the “wildcard” Cons Pros
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4 Population “the number of individuals that occupy a defined area at a given time” ImPaCT ( Human Impact (Im) = Population (P) x Consumption (C) x Technology (T)
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5 Why We Live in Interesting Times… Pre 2000 A.D. 1. More youth than elderly 2. More rural than urban Post 2010 A.D. 1. More elderly than youth 2. More urban than rural People alive 1950-2050 A.D. have seen: 1. Highest growth rate (2.1%/year) 2. Population double during their lifetime More people have lived in the last 100 years, than in all of human history before 1900! How do we measure population? 1. Total Number 2. Growth Rate 3. Population Density 4. Population Composition 6.6 Billion (Sept. 07) World Population Clock
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6 Population growth since you were born… 2,912 2,834 2,758 2,681 2,606 2,533 2,461 2,388 2,316 2,241 2,165 2,090 2,009 Growth (millions) 1.929 1.850 1,770 1,688 1,606 1,517 1,431 1,345 1,261 1,177 1096 1015 935 Growth (millions) 3,708 1970 4,691 1983 3,786 1971 4,770 1984
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F07.ES204.Population - Environmental Science 204 Population...

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