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Introducing Environmental Science and Sustainability

Chapter 1. Introducing Environmental Science and Sustainability. Sustainability. Web Definitions: Social and environmental practices that protect and enhance the human and natural resources needed by future generations to enjoy a quality of life equal to or greater than our own.

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Introducing Environmental Science and Sustainability

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  1. Chapter 1 Introducing Environmental Science and Sustainability

  2. Sustainability Web Definitions: Social and environmental practices that protect and enhance the human and natural resources needed by future generations to enjoy a quality of life equal to or greater than our own. A strategy by which communities seek economic development approaches that also benefit the local environment and quality of life. ...

  3. Systems Perspective • What is this and what other perspective might we have had at one time?

  4. Earth Ages

  5. Extreme Poverty • 1:2 earn less than two dollars a day • Poverty

  6. Increasing Human Numbers

  7. Old World At Night How many is too many?

  8. Could We All Live In… 1. Could we all live in Georgia? - 43,560 Square feet in an acre or 91% of a football field minus the end zones - 640 acres in a square mile - 57,906 square miles in Georgia Georgia = 37,059,840 Acres Texas = 172 Million and change US Population = 304 Million 2. 11,000,000 acres of land devoted to farms in Georgia 3. 23,631,000 acres devoted to timber in Georgia

  9. Hectares of Land Required One U.S. Child has a 1:12 Ratio of consumption • Ecological footprint

  10. Overpopulation Vs Consumption

  11. Resources

  12. The Middle Class • Why is a middle class significant?

  13. Environmental Impact I = P A T • IPAT Model

  14. New Model IPAT • Ray C. Anderson I = P x A x T1 I = P x A T2

  15. Tragedy of Commons • Sustainability and the Tragedy of the Commons Garrett Hardin In England and Wales, a common (or common land) is a piece of land over which other people—often neighboring landowners—could exercise one of a number of traditional rights, such as allowing their cattle to graze upon it. - HOA

  16. Feedback

  17. Scientific Method - relative to our study "The greatest invention of the nineteenth century was the invention of the method of invention." -- A.N. Whitehead (1926) Steps: Observation and description of a phenomena Formation of a hypothesis Use hypothesis to predict phenomena - experiment - null hypothesis Independent testing by others Share your results - publish A theory can never be proven only disproved

  18. Environmental Science • Hypothesis: Burning will increase frequency of prairie wildflowers. Which is the: control group, IV, DV

  19. Experimentation Independent Variable (IV):The Independent part is what you, the experimenter, changes or enacts in order to do your experiment. X axis Dependent Variable (DV): The dependent variable is what changes when the independent variable changes. There can be more than one dependent variable. Y Axis Control Group:A trial in an experiment where all factors are kept from changing. Constants:unchanging qualities

  20. Lake Washington & Pugent Sound What was done here, and what was the case used to demonstrate?

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