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7 Enhance Greenhouse Effect

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Transcript

  • 1. Enhance Greenhouse Effect (Our Future Climate)
  • 2. Also know as; Global warming Anthropogenic climate change
  • 3. The Science
  • 4. The Evidence The Keeling Curve "We can be very confident that the net effect of human activity since 1750 has been one of warming," Dr Susan Soloman co-lead author of the IPCC report 2007 “ It (the IPCC) is an unequivocal series of evidence [showing that] fossil fuel burning and land use change are affecting the climate on our planet." commented Achim Steiner from the UNEP
  • 5. Who’s to blame? And Why? Greenhouse gas (carbon dioxide, methane, nitrous oxide) emissions
  • 6. Per Person
  • 7.  
  • 8. The Impacts The Intergovernmental Panel on Climate Change predicts that temperatures are most likely to rise by 1.8C-4C by 2100. But the possible range is much greater; 1.1C-6.4C. The maps above show how a range of three different scenarios will affect different parts of the planet.
  • 9. The Impacts
  • 10. The Impacts
  • 11. Vulnerability
  • 12. Human Response
    • Reduce emissions? How can this be done?
    • Global strategies; Kyoto, Bali, emissions targets, carbon trading.
    • Carbon capture and sequestration
    • Modify vulnerability, adaptation