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Global temperature variations and heat waves

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  • 1. Global TemperatureVariations and HeatWavesLinh Nguyen and Isabel WilsonIB HL1 Geography
  • 2. BackgroundGlobal Temperature Variations: Temperature changes in different areas of the world. Heat Waves: A period of unusually hot weather
  • 3. Causes• Atmospheric greenhouse gas concentration o -CO2, CH4,N2O• Urban heat islands o -Lack of greenery in cities may exacerbate heat load during heat waves
  • 4. Consequences on environment• Rising sea level o Melting of icecaps and glaciers o Destroy polar bear and penguin habitats• Changes in lengths of seasons o Affects migration• Increased forest fires
  • 5. Consequences on man• Health o increase in cardio- respiratory illnesses o increased infection• Agriculture o increased heat- >decreased precipitation -> drought -> dead crops• Water management o drought• Possible civil war
  • 6. Solutions: Individual• Make use of public transportation• Educate others• Appeal to the government• Simple solutions o reusable bags
  • 7. Solutions: National• Reduce cost differential between fossil fuels and carbon-free alternatives o Tax incentives• Increased government research• Emission constraints• Invest more on public transportations• Invest in agriculture, fishery
  • 8. Solutions: International• Establish an environmentally conscious global economy• Policy intervention o Establish "baselines"• Global agreement on rules o like MDGs• Mitigation and adaptation
  • 9. Bibliographyhttp://www.popsci.com/science/article/2011-06/rising-global- temperatures-spur-steepest-sea-level-rise-2100-years-new-study- finds linh check the chat barhttp://www.nrdc.org/health/files/temperatures.pdfhttp://www.planetseed.com/co2-and-temperature-changehttp://www.global-greenhouse-warming.com/climate-mitigation-and- adaptation.htmlhttp://www.epa.gov/heatisld/about/index.htmhttp://www.livescience.com/19679-climate-change-seasons-shift- mismatch.htmlhttp://www.commondreams.org/headlines05/1002-04.htmhttp://www.ecy.wa.gov/climatechange/risingsealevel_more.htmhttp://ccir.ciesin.columbia.edu/nyc/pdf/q1a.pdf