5.1.3

Climate Change: Human Influence

Test yourself

Human Factors and Climate Change

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

Illustrative background for Burning fossil fuelsIllustrative background for Burning fossil fuels ?? "content

Burning fossil fuels

  • Fossil fuels include coal, petrol, natural gas and oil.
  • When fossil fuels are burned, carbon dioxide is released.
Illustrative background for Cement productionIllustrative background for Cement production ?? "content

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.
Illustrative background for FarmingIllustrative background for Farming ?? "content

Farming

  • The digestive systems of cows produce lots of methane.
  • Rice paddies also emit lots of methane.
  • Methane is a greenhouse gas.
Illustrative background for DeforestationIllustrative background for Deforestation ?? "content

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.

Jump to other topics

1Paper 1 - Changing River Environnments

2Paper 1 - Changing Coastal Environments

3Paper 1 - Changing Ecosystems

4Paper 1 - Tectonic Hazards

5Paper 1 - Climate Change

6Paper 2 - Changing Populations

7Paper 2 - Changing Towns & Cities

8Paper 2 - Development

9Paper 2 - Changing Economies

10Paper 2 - Resource Provision

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