September 5, 2008

Professor Bills Stanford U. for Carbon Offsets

By JEFFREY R. YOUNG

Ben Shneiderman, a professor of computer science at the University of Maryland at College Park, says he was happy to give a guest lecture at Stanford University this past spring, but he was concerned about the environmental impact of his flight across the country to get there.

So when he submitted his receipts for reimbursement by Stanford's Symbolic Systems Program, the group that had invited him, he included a charge for a small donation to Carbonfund.org to offset the trip's