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hannah-ellis

Group X- - PowerPoint PPT Presentation

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  1. Group X- Karrie, Krista, Fahim, Yohan, Mariana Geothermal Energy Solar Energy

  2. Is ecological damage worth the benefits of creating a geothermal energy plant? Yellowstone • Potential impacts on groundwater • Metal-rich geothermal waters could: • leach into soil and vegetation • enter food chain of mammals • Adverse impacts on hydrology and geothermal dynamics of hot springs, pools, and geysers • Integrity of geysers can be compromised over time http://www.edupics.com/geyser-eruption-yellowstone-national-park-t8756.jpg

  3. Is the solution of reinjection of water into geothermal systems worth inducing seismic activity? • Reinjecting water lubricates fault lines, releasing tectonic stress • E.g. Yellowstone has a history of major volcanic events • However • Decreases depletion of geothermal fluids and pressure • Favours gradual release of tectonic stress • May prevent ground subsidence http://images.forbes.com/media/2008/08/19/geothermal_diagram_426x274.jpg

  4. In our dossier, would you rather read about direct or indirect geothermal energy? Direct: e.g. using to heat pools Indirect: Converting to electrical energy Left: http://www.directenergy.com.au/pics/swimming_pool.jpg Right: http://www.reuk.co.uk/OtherImages/geothermal.gif

  5. Economics vs. outputs: If you were Canada’s finance minister, would you allocate money to the advancement of geothermal technology? http://www.em.gov.bc.ca/geothermal/geothermalrights.htm

  6. In a Canadian context, should solar power be emphasized as much as other renewable energy sources? http://en.wikipedia.org/wiki/File:Solar_land_area.png

  7. Should solar energy be used for residential purposes or industrial? Left: http://www.trendir.com/green/residential-solar-sunpower-5.jpg http://www.solarforbuildings.com/commonfiles/Libraries/PhotoAlbums/industrial_solar_power_system.jpg Right:

  8. In our dossier, should we focus more on concentrated solar power or photovoltaic cells? Concentrated Photovoltaic Left: http://ecotality.com/life/wp-content/uploads/2007/12/csp_3.jpg Right: http://www.greenhabitatdesign.com/Solar%20Photovoltaic%20Panels%202.jpg