Global Climate change

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Causes

  • variations in solar output
  • changes in earths orbit 
  • human activity burning fossil fuels, farming, deforestation
  • carbon dioxide and methane are greenhouse gases that trap heat reflected of the earths surface

For the idead that global warming is happening 

  • average global temperature is rising and is incrasing sharply now than it did in the past 
  • ice sheets are melting 
  • sea leavels are rising (20cm over the past century)

Against the idea that global warming is happening

  • some people say temperature is increasing beacsue human settlements have as they were close to where measuremenst were taken

Impacts

Economic impacts

  • some farmers can make more money with the higher temperature where there is high latitude however places of low latitude  will lose income
  • as weather is becoming more extreme more money is needed to reduce impacts of the weather

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