Pollution

Large fossil fuel power plants create a lot of pollution while geothermal plants don't

http://geothermal-powerplant.blogspot.com/2010_08_01_archive.html

http://news.thomasnet.com/IMT/2012/10/25/report-industry-is-main-culprit-of-pollution-problems-in-developing-countries/

http://app.discoveryeducation.com/player/view?assetGuid=27de7f1a-5770-43f0-b95e-1f155b23d320&showBreadcru
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