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Engineering LibreTexts

5.9: Appendix

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  • Questions:

    1. Describe three major environmental challenges for fossil fuels in general or one in particular.

    2. Rate the following electricity sources for their contribution to climate change from most to least: biomass, coal, solar, wind, nuclear, natural gas, oil, geothermal, hydroelectric, MSW. Is there any compelling reason not to use any of the carbon neutral (no net carbon emissions) sources?

    3. Describe the environmental and social concerns associated with biofuels.

    In class activities: Design a sustainable city of the future

    Websites for more information and further discussion

    News: algae car: gallons/

    For a video presentation on the different ways to use geothermal energy, visit

    Are Electric Vehicles Better for the Environment than Gas-Powered Ones?

    See excel file with terminology introduced in this chapter.