Global warming has increased due to the use fossil fuels. This has forced the world to think about other ways to get the energy we need. Learn about the benefits and disadvantages of six major sources of alternative energy: solar power, wind power, bioenergy, hydropower, geothermal power, and hydrogen fuel.

Originally released by Sunburst Visual Media, 2003. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Overview of Current and Alternative Energy Sources (2:40); --Solar Power (3:49); -- Wind Power (3:35); -- Bioenergy (3:08); -- Hydropower (2:37); -- Geothermal Power (1:58); -- Hydrogen Power (3:35); -- Integrating Alternative Energy Sources (1:28);.