The links to download the Keynote Addresses from the NACA 2009 Conference are below. Right click on the title link and then select "Save Target As" to save the file on your computer:

International environmental agreements - a journey to the end of the rainbow? - Dr Pieter J Aucamp (4.81Mb)
Key uncertainties in climate change predictions – the ignored information - JJ Pienaar (8.67Mb)
The 2009 State Of Air Quality Governance Report – P Lukey (3.32Mb)