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Climate change & extreme weather

Climate change & extreme weather. “There is a scientific consensus over the reality of anthropogenic global warming. [It is based on] multiple, independent lines of evidence converging on a single coherent account.”. Naomi Oreskes. CSIRO Climate Change in Australia 2007.

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Climate change & extreme weather

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  1. Climate change & extreme weather

  2. “There is a scientific consensus over the reality of anthropogenic global warming.[It is based on]multiple, independent lines of evidence converging on a single coherent account.” Naomi Oreskes

  3. CSIRO Climate Change in Australia 2007 “Australian average temperatures have increased 0.9°C since 1950, with significant regional variations.”

  4. Past changes in temperature Source: Australian Bureau of Meteorology (2007)

  5. [Insert in this slide the CSIRO movie of the projected future rise in Australian mean temperatures available at http://www.climatechangeinaustralia.gov.au/resources.php ] [It is not included here as it is too large to email].

  6. What is the effect of raising mean global temperatures on maximum temperatures?

  7. Effect on extreme temperatures from increase in mean temperature Probability of occurrence Source: Houghton 2004, p 129

  8. Effect on extreme temperatures from increase in variance Probability of occurrence Source: Houghton 2004, p129

  9. Effect on extreme temperatures from increase in mean temperature & variance Probability of occurrence Source: Houghton 2004, p129

  10. 10% increase in bushfire danger across Australia with 2-3°C rise Photo: Simon McBeth Photo: Adam Machjer

  11. “Extreme fire danger days likely to increase by up to 25% by 2020” - IPCC

  12. You are part of the solution

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