Worldcon 2010: An environmental challenge for Kim Stanley Robinson

Considering that Kim Stanley Robinson, one of my favorite Martian science fiction writers, is a self-described “green socialist,” was crowned one of Time magazine’s Heroes of the Environment 2008, and will appear as a Guest of Honour at Aussiecon 4, the 68th World Science Fiction Convention, to be held in September 2010, in Melbourne, Australia, I’m issuing a friendly challenge to him:

KSR, calculate and disclose your carbon footprint for attending Worldcon 2010, from the time you leave your home in the States to the time you return.