CK12 Life Science

(Marvins-Underground-K-12) #1

  • Some resources may seem to be renewable, but may have some limits, as to how
    accessible a nonpolluted resource is and what effect overexploitation of the resource
    has.

  • Some renewable materials include the sustainable harvesting of certain products.

  • Nonrenewable resources include fossil fuels and nuclear power.

  • Burningoffossilfuelscausesharmfuleffectsintheenvironmentandcanleadtoregional
    and global conflicts.

  • There are a number of renewable energy sources which offer alternatives to the burning
    offossilfuels; theyincludesolarradiation; windenergy; hydropower; geothermalpower;
    biomass, biofuels, and vegetable oil; tidal power; nuclear energy; and fusion power.

  • There are pros and cons to all alternative energy sources.

  • Reducing waste and the reusing and recycling of resources can help save natural re-
    sources as well as help us reach our goals for energy production.

  • There are many things you can do in your household and community towards the
    goals of reducing, reusing, and recycling; individual efforts can also add up to make a
    difference nationally, and even internationally.

  • Awareness of wise resource use at the consumer level can influence decisions at the
    manufacturing and distributing levels.

  • Government legislation is also important to enforce these changes; it is up to individ-
    uals to communicate to their representatives the carrying out of wise use of natural
    resources, and to vote for those leaders who stand for sound ecological practices.


Review Questions



  1. Under what conditions is a resource renewable?

  2. Why must some natural renewable resources, such as geothermal power, fresh water,
    timber, and biomass be carefully managed?

  3. Why is nuclear power considered a nonrenewable resource?

  4. With resources that have limited supplies, what human factors put increasing pressure
    on how fast we consume such resources?

  5. What are the main disadvantages to the burning of fossil fuels as an energy source?

  6. Whattwoadvantagesdosolarpower,windpower,andhydropowerallhaveincommon?


Further Reading / Supplemental Links



  • Unabridged Dictionary, Second Edition, Random House, New York, 1998.


Natural Resources


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