1. Hydropower Electricity From Moving Water By Kelle Marburger And Gretchen Brown http://www.odec.ca/project s/2007/truo7j2/hydropowe r-plant-usbr-hoover.jpg

2. How does it work?  The water cycle is tapped into  Water is captured and turned into electricity  Available energy is determined by the water’s flow or fall  Water with a high flow or fall pushes against and turns blades in a turbine  The spin is connected to a generator  Generator produces the electricity  Run-of-the-river system  Storage system http://static.howstuffworks.com/gif/hydropow er-plant-usrb-shaft.jpg

3. http://www.buy-climate-smart.com/image-files/hydropower-plant-parts.gif

4. Negative Environmental Impacts  Affects natural habitats  Salmon in Columbia River  Causes changes in the stream water quality  Expensive/high investment costs  Dependent on the amount of precipitation that has fallen  Displaces local populations that are in the reservoir/stream http://miamiherald.typepad.com/.a/6a00d 83451b26169e2010536fc4f48970c-320wi

5. Main Goals  Hydropower’s main purpose is to generate electricity  Was first used to eliminate coal as the primary source of electricity  7% of the total power of the nation is produced by hydroelectric plants http://nuclearpowerissues.org/images/hydropower2_lar ge.jpg

6. Ability to Make a Difference  Hydropower is a clean, renewable source of energy  It emits a low number of greenhouse gases  After installation, operating does not cost very much money  Makes energy available on demand since the flow of water can be controlled http://ahoy.tk-jk.net/RiverImages/HydropowerLiujiaxiaGorge.jpg

7. Technological/Political/Economic Obstacles  It costs a ton of money to first create a hydropower plant  People on the Mekong River http://api.ning.com/files/2mfVijA5NiQtjSTY9rbKAoZkwK-jiGUB- fW**v1-mXxL1taIsc0wK7ofL5aYx74Dn5AGMRiricPCtlUl- 5eYWyZ6LRAJqzCG/milliondollarbill.jpg

8. Bibliography  http://www.eia.doe.gov/kids/energyfacts/sour ces/renewable/water.html http://www.eia.doe.gov/kids/energyfacts/sour ces/renewable/water.html  http://www.eere.energy.gov/windandhydro/hydr o_basics.html http://www.eere.energy.gov/windandhydro/hydr o_basics.html  http://www.enviroliteracy.org/article.php/59.ht ml http://www.enviroliteracy.org/article.php/59.ht ml  http://sis388.blogspot.com/2009/04/hydropo wer-dams-on-mekong-river-april.html http://sis388.blogspot.com/2009/04/hydropo wer-dams-on-mekong-river-april.html