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climate change due to human activites

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human activites like Fossil fuel burning …

human activites like Fossil fuel burning
Green house gasses
Deforestiration
Industrialization
Agriculture
these al are the major factor of climate change in 21th century

Published in: Education

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  • 1. Contribution of human in climate changes
  • 2. Climate:
  • 3.  Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities.  In 2011, CO2 accounted for about 84% of all U.S. greenhouse gas emissions from human activities  Carbon dioxide is naturally present in the atmosphere as part of the Earth's carbon cycle Carbon cycle:  the natural circulation of carbon among the atmosphere, oceans, soil, plants, and animals
  • 4. Carbon cycle
  • 5. Co2 level increased
  • 6. Methane level
  • 7. increase in level of nitrous oxide as a green house gas up to 1975
  • 8. 2/20/2014 28