Do you think your house is the best eco-friend ever? If so, check the one presented on interiordesign.net and you’ll figure out what environmental caring is all about. The philosophy relies on the following aspect:  zero energy, zero water, zero indoor emissions, zero waste, zero carbon, and zero ignorance. The creator says it can be built in no more than six months and costs twenty to forty percent less per square foot than an equivalent stick-built home.