So far, 51 ideas have been submitted. My favorite idea so far is for a home mulch maker. I wish the site had more details about how it worked. It takes a lot of energy to chew up a tree and the wood chipper I bought a couple of years ago ended up choking on all but the puniest of branches when the blades became just a little dull. Make it Green
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.