Global warming

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Global warming

  1. 1. Its Causes, Effects and Solutions By Sagar Satpathy Class XI Global Warming
  2. 2. What is Global Warming ? <ul><li>Global warming means the gradual increase in the average temperature of the earth’s lower atmosphere due to the increase in the concentration of Greenhouse gases. </li></ul>
  3. 3. Causes of Global Warming <ul><li>Large scale Industrialization. </li></ul><ul><li>Increase in the concentration of the greenhouse gases. </li></ul><ul><li>Ozone Depletion. </li></ul><ul><li>Volcanic Eruptions. </li></ul><ul><li>Large scale Deforestation. </li></ul>
  4. 7. Effects of Global Warming <ul><li>Climate Change. (i.e. Rise in temperature) </li></ul><ul><li>Melting of Polar ice caps and icebergs. </li></ul><ul><li>Retreating and disappearing of glaciers. </li></ul><ul><li>Rise in the Sea level. </li></ul><ul><li>Shutdown of Thermohaline circulation. </li></ul><ul><li>Submerging of important coastal cities. </li></ul><ul><li>End of life in Earth. </li></ul>
  5. 8. The Gangotri Glacier in 2007 Picture showing receeding of Gangotri Glacier
  6. 9. Antarctica in 1914 Antarctica in 2007
  7. 10. 1875 2004 1914 2004
  8. 12. Preventive Measures <ul><li>Alternative sources of energy should be used. </li></ul><ul><li>Large scale emission of green house gases should be stopped. </li></ul><ul><li>The Arms race should be stopped. </li></ul><ul><li>Large scale Afforestation should be done. </li></ul><ul><li>Land and water pollution should be stopped. </li></ul><ul><li>Mass awareness programs should be organised to make the people aware of global warming. </li></ul>
  9. 13. Thank You Save our Earth, Save our Life
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