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Understanding Earth and the Human Impact: Challenges and Paradigms for the 21st Century

Chapter 17 explores the relationship between humanity and Earth, highlighting population dynamics and environmental impacts. From the historical context of species extinction to the importance of international cooperation, the chapter delves into critical challenges facing the planet today. It emphasizes twelve paradigms essential for addressing issues like global climate change, loss of biodiversity, and disparities of wealth. The text serves as a call for united action to preserve our planet for future generations, while also addressing the needs of the current global population.

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Understanding Earth and the Human Impact: Challenges and Paradigms for the 21st Century

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  1. Chapter 17Earth and the Human Denominator

  2. Earth and the Human Denominator • The Human Count and the Future   • An Oily Bird   • The Need for International Cooperation   • Twelve Paradigms for the 21st Century   • Who Speaks for Earth

  3. World Population

  4. Human Population Growth Figure 17.4

  5. International Space Station Figure 17.1

  6. Source: C. Mayhew & R. Simmon (NASA/GSFC), NOAA/ NGDC, DMSP Digital Archive

  7. North America by Night

  8. Human Disturbance Arctic Circle Tropic of Cancer Equator Tropic of Capricorn Antarctic Circle Predominantly natural Partially disturbed Human dominated

  9. Figure 17.3

  10. Passenger pigeon Dusky seaside sparrow Great auk Dodo Aepyornis (Madagascar) Animals Driven to Extinction

  11. Florida manatee Northern spotted owl (threatened) Bannerman's turaco (Africa) Gray wolf Florida panther Devil's hole pupfish Black-footed ferret Snow leopard (Central Asia) Utah prairie dog (threatened) Symphonia (Madagascar) California condor Black lace cactus Oahu tree snail Ghost bat (Australia) Black rhinoceros (Africa) Endangered and Threatened Species

  12. Accidentally Introduced Species Sea lamprey (attached to lake trout) Argentina fire ant Brown tree snake Eurasian muffle Common pigeon (Rock dove) Formosan termite Zebra mussel Asian long-horned beetle Asian tiger mosquito Gypsy moth larvae

  13. Worldwide Oil Spills

  14. COP-7 in Marrakech Figure 17.7

  15. Population increase is in LDCs Planetary impact per person Feeding the world’s population Disparities of wealth Status of women and children Global climate change Energy supplies Loss of biodiversity Pollution of air and water, oceans and land Persistence of wilderness Globalization vs. cultural diversity Conflict resolution Twelve Paradigms for the 21st Century

  16. End of Chapter 17 Robert W. Christopherson Charlie Thomsen Modified by Jim Speer

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