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Energy and Matter: Natural Resources

Energy and Matter: Natural Resources. SCI 7726. What is a natural resource?. Renewable/ Nonrenewable. Questions from activities?. I. Renewable resources. Capable of being regenerated Must be used sustainably- they DO have limits Vital natural resources?. II. Resource management.

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Energy and Matter: Natural Resources

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  1. Energy and Matter:Natural Resources SCI 7726

  2. What is a natural resource?

  3. Renewable/ Nonrenewable • Questions from activities?

  4. I. Renewable resources • Capable of being regenerated • Must be used sustainably- they DO have limits • Vital natural resources?

  5. II. Resource management

  6. B. example: freshwater

  7. III. Nonrenewable resources: fossil fuels • Sources of energy

  8. B. Where do fossil fuels come from?

  9. C. Distribution of fossil fuels

  10. D. Need energy to get energy • EROI- energy returned on investment • EROI= energy returned/ energy invested • 40’s: 100 to 1 • 70’s: 30:1 • Now: 5: 1

  11. D. Coal

  12. E. Natural gas • Mostly methane: CH4 • Biogenic • thermogenic

  13. F. Oil

  14. IV. Alternatives • Nuclear • Biomass • Hydroelectric • Solar • Wind • Geothermal

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