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Economic growth and water


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Problems associated with economic development and the environment. Specialy reference to China

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Economic growth and water

  1. 1. Economic Growth and Water A2 Geography
  2. 2. Water Demand <ul><li>Many countries experiencing rapid economic growth have a large demand for water </li></ul>
  3. 3. China is changing <ul><li>As China grows the farmers are expected to feed the growing numbers </li></ul><ul><li>Urbanisation growth increases localised demand </li></ul><ul><li>China has become a net food importer and so world prices have risen </li></ul>
  4. 4. Farming to Industry <ul><li>As it grows China is turning farmland over to industry even the best southern regions </li></ul><ul><li>This means the north must grow more food </li></ul><ul><li>The north gets less precipitation than the south </li></ul><ul><li>Farmers have to fight for water with industry and domestic taking precedence </li></ul>
  5. 5. <ul><li>Ground water supplies are dwindling. </li></ul><ul><li>An estimated 300 cities faced water shortages in 2008 </li></ul>
  6. 6. Growth increases Demand <ul><li>Water economics are basic: </li></ul><ul><li>The same amount of water that makes a farmer $200 will make Industry a staggering $14,000 – Jobs are better paid. </li></ul><ul><li>By producing more goods they have more to consume </li></ul><ul><li>Increase in population drives economic growth higher and so water consumption grows </li></ul>
  7. 7. Impacts <ul><li>Many rivers dry up </li></ul><ul><li>Pollution </li></ul>
  8. 8. Impacts in China <ul><li>80% of rivers no longer support fish </li></ul><ul><li>Yellow River contains so much toxic waste and heavy metals that the poisons are entering human food chain </li></ul><ul><li>Arsenic, lead , cadmium and Chromium have all been found in rice and vegetables grown using river water </li></ul><ul><li>Farmers are drilling deeper for ground water with the result many rivers have dried up </li></ul><ul><li>Yellow River (2 nd biggest in China) now only flows 165 days of the year </li></ul><ul><li>Northern cities are industrialising at the expense of more water sources </li></ul><ul><li>The Yangtze could be ecologically dead by 2010 </li></ul><ul><li>185 cities will no longer depend on safe water incl. Shanghai </li></ul>
  9. 10. Dry North - Shijiazhuang <ul><li>Water table has fallen 1.5m a year now 200m deep </li></ul><ul><li>Pop’n grown from 300,000 in 1950 – 2.3m </li></ul><ul><li>GDP growing at 10% a year </li></ul><ul><li>Water available per person is 3% of world average </li></ul><ul><li>Farmers losing to industry and urban demand which are growing 8 times faster that agricultural demand </li></ul>
  10. 11. Poisoned South – Yangtze River <ul><li>23.4 bn tonnes of industrial waste dumped each year </li></ul><ul><li>1500 tones agricultural chemicals </li></ul><ul><li>4.6 tonnes of arsenic flow to the coast every day – feeding the blue green algae </li></ul><ul><li>Shipping 25% of world’s container traffic enters river </li></ul><ul><li>Lack of industrial accidents records </li></ul><ul><li>Low environmental regulations permit 90% of all discharges to be untreated (2006) </li></ul>
  11. 12. Three Gorges Dam - Activity <ul><li>Read the Information on the sheets provided and complete the Cost benefit analysis – </li></ul><ul><li>Jot down whether or not the dam will help solve some of the problems faced by China. </li></ul><ul><li>Are dams a good thing? </li></ul>