Geopolitics of water supply within a country

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  • Created by: Amy Brown
  • Created on: 08-06-14 10:55
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  • Geopolitics of water supply within a country
    • Often when countries compete for water resources international agreements and treaties have to be drawn up on how best to manage shared water supplies
      • Under the Helsinki Rules there is an agreement that international treaties must include concepts such ad equitable use and share
    • Case Sudy: Geopolitics with the USA: the Colorado River
      • Background
        • The Basin of the Colorado river is the most heavily used source of irrigation water in the USA.
        • Original water rights were allocated in 1933
        • Since then a series of treaties between the 7 US states with water rights and between Mexico have been signed
        • A series of dams have been built ot serve the water needs to 30 million people
      • Agreements
        • 1920s 'Law of the River' = divided the water between upper basin states e.g. Colorado, Wyoming, Utah and New Mexico and their responsibility to supply the lower basin states
        • California was given the highest proportion of water due to its large population and political power
      • Stakeholders and conflicts
        • Farmers - 80% of allocation and 1/20th of the cost
        • US Government under pressure from own politicians NOT to change water allocations
        • Mexican people - 90% of water is used before it reaches mexico -affecting fisherman
        • Indigenous groups - have claims to water rights based on treaties signed in the 1880s
        • Environmentalists - development of lakes for recreation is effecting wilderness and wetlands
        • City Dwellers are increasing demands

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