Three gorges Dam

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  • Three gorges Dam
    • location
      • On the Yangtze river
      • North china
      • Qinnai province
    • Cost
      • china released the figure $62 billion
        • doesn't include the price of running the three gorges dam
        • or the building of the 13 new water treatment plants to clean the water
    • Size
      • Yangtze river is the largest river in china
        • third largest in the world
      • dam is 1.4 miles long and 185 metres tall
    • Purpose
      • produces hydro electricity
        • 5%
        • making china's development greener
        • reduces green house gases
      • reduce potential for floods downstream by providing flood storage space
        • Yangtze floods have killed 320,00 people
      • increase the rivers navigation capacity
        • aiding businesses
        • industry
      • opportunity for recreational activities
        • eg river cruise
    • Length of  construction
      • construction began in 1994 and finished in 2009
    • Advantages
      • political
        • sets a blue print for other countries
        • Shows that the country is wealthy and strong
      • economic
        • Hydroelectric power can be sold to cover construction costs
        • 5000 jobs created
        • navigation improvements increases business to places such as Pudong
        • decrease water insecurity
          • increase irrigation for farmers
        • China's GDP increase by 22%
          • economic growth of $82 billion
      • social
        • increase life expectancy
        • provide clean drinking water
      • environmental
        • green way to provide flood protection
        • reduces air pollution
        • Renewable energy source
    • Disadvantages
      • Political
        • increases threat of terrorists
      • Economic
        • fishing industry lost
        • 1500 factories lost
        • people have to buy bottles water due to polluted water supllies
      • Social
        • relocation of 1.2 millions people
          • livelihood lost
        • lower quality of land to where they're moving to
          • poorer soil quality, steeper slopes and poorer quality of life
        • loss of cultural heritage
        • 2 million cases of cancer caused by the high arsenic water content
        • 80% of rural areas have no access to sanitary toilet
          • increase of water Bourne disease
      • environmental
        • severable dams would of been more effective in terms of flood control, cost effectiveness and would of had fewer impacts
        • loss of farmland
          • decrease biodiversity
        • increase of pollution from sewage and industrial waste
        • large volume of water increase earthquake threat
        • affect ecosystem
        • nutrient flows blocked
        • change in water temperature

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