human activities

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  • human climate change
    • farming cows release methane =greenhouse gas , tree uprooted leaves c02 in atsmoshere
    • transport        cars, lorries and ships  produce large amounts co2 when used,  car ownership increase especially emerging countries, e.g. china ,-- more cars - more co2 emmisions= green house gas
    • industry          insurial processes realease = green gases, e.g. cement has co2,           instrurial waste , end up landfill realeasing methane= green house gas
      • evidence for climate change
        • decling sea ice as ocean teemp increases
          • global temp rise temp increase by 1 degrees since 1880
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        • energy co2 is realeased when fossil fuels are burnt , e.g. in power stations

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