05/01/2009 05:12 am ET Updated May 25, 2011

Greenest Office Prank: Stapler In Vegan Jello? (VIDEO)

Everybody's got advice for greening the office -- print less, drive less -- but nobody closes out their office tips quite like Grist.

Grist's Umbra Fisk covers all of the bases we expect, then throws us a bone.

Do you have better green prank ideas? Let's hear 'em in the comments.