When a building revolution is born out of a garbage crisis, you know it’s one of the most earth-friendly around. The brain child of Michael Reynolds, Earthships are a unique solution to a huge problem. He saw all the trash piling up in landfills and decided, why not put it to good use? After a little experimentation, he discovered that earth packed into recycled tires was easy to build with and, like rock, provides good thermal mass. Throw in a few other uncongenial building materials, like ...