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Freshwater uses and problems

Freshwater uses and problems. In your groups…. Brain storm a list of at least 5 uses for water (Be specific) Categorize your list into agriculture (*), industry(-) and household (___) uses. Uses.

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Freshwater uses and problems

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  1. Freshwater uses and problems

  2. In your groups… • Brain storm a list of at least 5 uses for water (Be specific) • Categorize your list into agriculture (*), industry(-) and household (___) uses.

  3. Uses • Agriculture: ** on your poster rate these from 1-4. 1 being most sustainable, 5 being less sustainable. 4. Furrow (65% efficent- oldest, easiest, cheapest) • 3. Flood: More disruptive but 80% efficent • 2. Spray irrigation: more expensive- 75-95% • 1. Drip: over 95% efficent (reduces weed growth • 1. Hydroponic: uses 95% less water (water can be reused) more expensive.

  4. Industry: generating electricity, cooling machinery, and refining metals and paper. ( use and return vs use and turn to steam) Housholds: toliets, bathing, laundry, cooking and drinking

  5. How do we alter Water? • Levees • Dikes • Dams • Aquaducts

  6. Solutions • http://www.youtube.com/watch?v=9pjGnsivx_g

  7. Solutions • Fish Ladders (For Dams) • Desalinization • Water Conservation(What can we do?) • Water OWNERSHIP??????

  8. That brings us to the Colorado River… • http://www.youtube.com/watch?v=M-YexDw9yz0

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