12.1.3

Human Causes of Climate Change

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Human Factors and Climate Change

The following human activities are increasing the atmospheric concentration of greenhouse gases:

Burning fossil fuels

Burning fossil fuels

  • Fossil fuels include coal, petrol, natural gas and oil.
  • When fossil fuels are burned, carbon dioxide is released.
Cement production

Cement production

  • Limestone, which is a carbon-based compound, is the starting material for making cement.
  • This carbon is released as carbon dioxide when cement is made.
Farming

Farming

  • The digestive systems of cows produce lots of methane.
  • Rice paddies also emit lots of methane.
  • Methane is a greenhouse gas.
Deforestation

Deforestation

  • During photosynthesis, plants take in carbon dioxide from the atmosphere and use it to make food.
  • Deforestation means there are fewer trees removing carbon dioxide from the atmosphere.
  • Additionally, carbon dioxide is released when trees are burned and the carbon inside them is released into the atmosphere.
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Geography Skills

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Geology of the UK

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Development

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12

Climate Change

13

Global Population & Inequality

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Urbanisation

15

Ecosystems

16

Life in an Emerging Country

17

Analysis of Africa

18

Analysis of India

19

Analysis of the Middle East

20

Analysis of Bangladesh

21

Analysis of Russia

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