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Natural Resources

Natural Resources. Perpetual Renewable Non-renewable. Natural Resources. Perpetual : Available forever (in “human time” perspective ). Perpetual energy sources?. Solar Radiation. Wind. Tides. Rivers (hydro)? perhaps. Natural Resources.

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Natural Resources

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  1. Natural Resources Perpetual Renewable Non-renewable

  2. Natural Resources Perpetual: Available forever (in “human time” perspective) Perpetual energy sources? Solar Radiation Wind Tides Rivers (hydro)? perhaps...

  3. Natural Resources Renewable: Rate of replenishment by natural processes ≥ Rate of consumption Renewable energy sources? Wood* Other biomass* *but there’s a catch...

  4. Natural Resources Non-renewable: Rate of replenishment by natural processes < Rate of consumption Non-renewable energy sources? Oil Natural Gas Coal Nuclear Geothermal -- a “tweener”

  5. Sustainable Able to continue a certain behavior indefinitely. Sustainable Yield The maximum rate at which humans can use a resource over a long time period (i.e., without reducing the possible level of yield).

  6. Renewable(e.g. timber/wood, water, clean air, fisheries, etc.) Perpetual(but not in danger of being used unsustainably) What class(es) of natural resources could be used sustainably?

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