12/22/2008 05:12 am ET Updated May 25, 2011

Conan O'Brien On Going Green: "Walk -- If You're Not Famous" (VIDEO)

NBC/Universal has been promoting various green practices this week with "Green Your Routine" short videos featuring various of their well-known talent. Last night, Conan O'Brien and some of his colleagues on "Late Night" contributed their own public service announcements.

At least their hearts are in the right place. Except for the last two.