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Climate changes due to global warming

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GLOBAL WARMING IS A HUGE ISSUE AND ITS NOT A LOCAL PROBLEM , NOT A NATIONAL ISSUE BUT ITS A GLOBAL ISSUE AND HAS AFFECTED THE CLIMATE OF THIS WORLD.
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Published in: Technology, News & Politics
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Climate changes due to global warming

  1. 1. Climate Changes Due To Global Warming: A Global Issue
  2. 2. The Main Culprits For Global Warming Water Vapour (H2O) Carbon Dioxide (CO2) Methane (CH4) Ozone (O3)
  3. 3. Some Facts • Human population x 4 in 100 years • It took 10000 generations of human beings to reach 2 B • We have tripled that in less that one lifetime
  4. 4. Temperature goes up melting ice caps • Before the warming: Kilimanjaro, 1970 • After the warming: Kilimanjaro, 2000
  5. 5. Temperature goes up melting ice caps • Before the warming: Nepal, 1978 • After the warming: Nepal, 2004
  6. 6. Temperature goes up melting ice caps • Even more obvious from space, this pictures of the North Polar cap from NASA show a melting of 25% in 25 years:
  7. 7. Graphical Data • At the end of 2002, the concentration of carbon dioxide was just above 370ppm. • This is probably the highest in at least 400,000 years
  8. 8. Graphical Data- Carbon Footprint • Every country bears its share of responsibility, The USA being number one. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Source: Footprint Network
  9. 9. Some Facts:• The number of category 4 and 5 hurricanes has almost doubled in the last 30 years. • Malaria has spread to higher altitudes in places like the Colombian Andes, 7,000 feet above sea level. • The flow of ice from glaciers in Greenland has more than doubled over the past decade. • At least 279 species of plants and animals are already responding to global warming, moving closer to the poles.
  10. 10. The Consequences of sticking to ‘Business As Usual” • Global sea levels could rise by more than 20 feet with the loss of shelf ice in Greenland and Antarctica, devastating coastal areas worldwide. • The arctic ocean could be ice free in summer by 2050. • Heat waves will be more frequent and more intense. • Droughts and wildfires will occur more often.
  11. 11. We hope that you appreciate the effort made by- VEER AND PRAKASHITHA IX

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