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  • We’re partnering with the High School for Environmental Studies to create a Secret Life class in which students make their own videos.
  • The Secret Life of Cell Phones was screened at cell phone recycling collection points throughout the Johns Hopkins University campus on Earth Day.
  • Zayed University in Dubai has requested use of Secret Life materials for its students.


Q: Worldwide, which source of renewable energy produces the most electricity?

  1. Geothermal
  2. Wind
  3. Hydroelectric
  4. Solar

Answer: 3

Hydroelectric power uses the force of falling or flowing water to produce electricity. It is the most abundant renewable energy source, having generated 777 gigawatts (GW) of electricity in 2008. Wind-generated power produced 121 GW, up 28% from the previous year. Grid-connected solar panels, the fastest growing renewable energy source, produce about 13 GW annually. Geothermal electricity, created by harnessing heat from below the Earth’s surface, produces 10 GW. All of these energy sources, as well as biomass, are becoming increasingly popular worldwide. Explore the following sites for additional information, and consider supporting renewable energy in your community.


An overview from Greenpeace

Low-Carbon Energy: A Roadmap from the Worldwatch Institute

National Energy Authority in Iceland

Detailed charts in the United States

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