Analysing the data

Click above to view the data

Using a spreadsheet programme produce bar charts or line graphs for the following time periods

1968 - 77

1978 - 87

1988 - 97

Are there any trends in changes of average global temperatures and carbon dioxide levels?

Has there been an increase in average global temperature?

Has the rate of change increased or decreased?

Could carbon dioxide gas be responsible?

Visit the tools page to help you with your analysis.

Download the excel spreadsheet