5.2.1 What are the four main 'pools' of carbo in the environment

5.2.1 What are the 6 process by which carbon can be cycled between these pools?

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

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

5.2.2 Analyse the long-term estimates in concentration of atmospheric carbon dioxide using historical records

5.2.2 What does the data for each of the changes look like

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

5.2.3 How is man increasing the greenhouse gas emissions?

5.2.3 Draw a diagram of the greenhouse gas effect

5.2.4 Outline the precautionary principle

5.2.5 What are the arguments for taking action against the greenhouse effect

5.2.5 What are the arguments for inaction against the greenhouse effect

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