This is the final report of the Natural Analogues for the Geological Storage of CO2 in the Geological Environment (NASCENT) project. The NASCENT project has studied natural accumulations of carbon dioxide as analogues of the geological storage of anthropogenic CO2 emissions. Report was available at http://www.ieaghg.org/docs/General_Docs/Reports/Report%202005_6%20NASCENT.pdf but this resource is no longer available