Topic 5.2: The greenhouse effect

5.2.1 Draw and label a diagram of the carbon cycle to show the processes involved

5.2.2 Analyse the changes in concentration of atmospheric carbon dioxide using historical records

5.2.3 Explain the relationship between rises in concentration of atmospheric carbon dioxide, methane and oxides of nitrogen and enhanced greenhouse effect.

5.2.4 Outline the precautionary principle

5.2.5 Evaluate the precautionary principle as a justification for strong action in response to the threats posed by enhanced greenhouse effect

5.2.6 Outline the consequences of a global temperature rise on arctic ecosystems