Steps for analysing carbon data:

1. Access the [CDIAC website](http://cdiac.ornl.gov/)  2. Click on ‘Atmospheric Trace Gases and Aerosols’ (under ‘Data' tab at top of page) 3. Select ‘Carbon dioxide’ from the list of greenhouse gases 4. Choose a monitoring station / network (e.g. Scripps Institution of Oceanography Network) 5. Download data from a particular site (e.g. South Pole, Antarctica) 6. Paste data of interest into an Excel spreadsheet to produce a graphical display (e.g. Jan 2000 – Dec 2007)