Potato peels are the new green building material green design, innovation, social innovation, green building, eco architecture, eco design, green architecture, clean tech, clean technology, green technology, green cars, electric vehicles, Jill Fehrenbacher, green blog, eco blog, green website, green news But now there is a new option to these single-use materials - potato waste. Many of the typical building materials used in construction - like medium-density fiberboard (MDF) - contain toxic materials and formaldehyde, plus they have a shockingly short lifespan and a negative environmental impact. This agent is then applied to fibers like potato skins, bamboo, beer hops and recycled wood.