climate change due to human activites

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

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climate change due to human activites

  1. 1. Contribution of human in climate changes
  2. 2. Climate:
  3. 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. 4. Carbon cycle
  5. 5. Co2 level increased
  6. 6. Methane level
  7. 7. increase in level of nitrous oxide as a green house gas up to 1975
  8. 8. 2/20/2014 28

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