If you missed Hansen’s lectures, or you would like to listen to them again, then check out these two links.  (Thanks to Cindy Baxter!)

His Auckland lecture is still online here:

http://www.franklin-live.net/site/20110512DrJamesHansen.php

His presentation and slides together from Wellington: http://mdsweb.vuw.ac.nz/Mediasite/Viewer/Viewers/Viewer320TL.aspx?mode=Default&peid=b7a3ef2f-9da1-4cdf-b1b9-07286d53b443&pid=36988bee-3a4b-4838-abf6-a152f22eb85d&playerType=SL1