InakiMalena_ClimateWeather

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InakiMalena_ClimateWeather

  1. 1. Climate Change PART I Malena and Iñaki Instituto Santa CruzBuenos Aires - Argentina
  2. 2. Climate and WeatherWEATHER: the state CLIMATE: the of the air at a average, or typical, particular place weather conditions and time;, for observed over a example, whether long period of time it´s warm or cold. for a given area. 
  3. 3. World’s ClimateIt has been getting warmersince 1900.  However, thishas not occurred evenlyacross the world’s surface .
  4. 4. (The violet parts are the less- affected zones)
  5. 5. What Causes Climate Change?The most important natural causes are :• Volcanic Events• Ocean Currents• Comets• The Sun• The Greenhouse Effect Any unusual thing that happens on Earth has its global impact, but in the end, everything influences the climate in one way or another.
  6. 6. What is “the greenhouse effeCt”?• A process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases.• The heat caused by infra red radiation is absorbed by "greenhouse gases" such as water vapour, carbon dioxide, ozone and methane, which slows its escape from the atmosphere.

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