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4 mother - PROBLEMS[“_” UNITED NATIONS’ ESTIMATE •...

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OUTLINE: THE MOTHER OF ALL ENVIRONMENTAL ISSUES 1. HUMAN POPULATION GROWTH. 2. CARRYING CAPACITY – DIFFERENT ESTIMATES. 3. LOGISTIC GROWTH. 4. WHAT CAN WE DO? Suggested reading: Lutz, W. et al. 2001. The end of world population growth. Nature 412:543-545.
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REVIEW WORLD POPULATION: 6.9 BILLION ANNUAL INCREASE IN WORLD POPULATION: 80 MILLION / YEAR
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MORE FACTS ON WORLD POP. SELECTED COUNTRY POPULATIONS: CHINA: ______________ INDIA: ______________ USA: ______________ COUNTRIES WITH HIGHEST GROWTH RATES: - MOSTLY IN _____________________________ - _________________________________________ _________________________________________; - _________________________________________.
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CARRYING CAPACITY DEFINITION: _____________________ _________________________________ _________________________________. CONCEPT FROM BASIC ECOLOGY; VERY WELL STUDIED FOR MANY SPECIES
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ESTIMATE BY PHYSICIST FREMLIN (1960s) EARTH CAN SUPPORT: _______________________. MAJOR ASSUMPTION: TECHNOLOGY WILL OVERCOME ALMOST ALL
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Unformatted text preview: PROBLEMS. [“__________________”] UNITED NATIONS’ ESTIMATE • ESTIIMATE FROM EARLY 1990s: _______________________________. REVISED ESTIMATE SINCE 2001: _____________________ (so population growth IS slowing down) “ZERO POPULATION GROWTH” – _________________ ____________________________________________ POPULATION MOMENTUM - _____________________ ___________________________________________ LOGISTIC GROWTH ACTUAL HUMAN POPULATION GROWTH WHAT SHOULD WE DO? 1. _______________________________ _______________________________. 1. TRADITIONAL INTERNATIONAL APPROACH: ___________________ _______________________________ _______________________________ [LOGIC: ________________________]. WHAT SHOULD WE DO? • 3. NEWER APPROACH : _______________________ ____________________________________________. Banker from Bangladesh (country next to India) won 2006 Nobel Peace prize for “_____________” programs to fight poverty....
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