Mushrooms are good for more than just pizza toppings: A growing number of eco-minded entrepreneurs are looking at the familiar fungi as an environmentally friendly building material. 'Mushrooms are here to help us — they're a gift,' Ayers told NBC News. 'There's so much we can do with them beyond just food. They're our biggest ally for helping the environment.' Bricks made from MUSHROOMS could soon replace cement because they self-repair | Daily Mail Online