Fernando M. Reimers et al. technological solutions that have been developed to address these challenges, such as wind power, MIT’s initiative to harvest power from walking (http:// www.media.mit.edu/resenv/power.html), nuclear energy (study the Three Mile Island and Chernobyl incidents), geothermal energy, hydroelectric en— ergy, and fossil fuels. Activity TIG.B.8. Turning Waste into Energy Students will watch the video “Gonzo for Guano” and individually write a short essay that discusses the benefits and drawbacks of this technology and the likely economic and social consequences of adopting technologies of this sort on a large scale. Resources ° “Gonzo for Guano” (http://planetgreen.discovery.com/tv/dean—of— invention/dean—ofwinvention—episodes/gonzo—for’guano.html) ° http://www.technologyreview.com/video/ 9vid=689 Activity TIG.3.9. Introduction to Nanotechnology The teacher introduces the field of nanotechnology and some contemporary applications of it. Resources ° http://www.understandingnano.com/nanotech—applicationshtml ° http://www.technologyreview.com/Video/ ?vid=689