This is a sustainable house which means it is better for the environment. Many people care about sustainability now since we are seeing more damage done to the planet by our overuse of natural resources. If we can help by living in a more ecofriendly way it might make us feel better and could also save us money in the long run. These are both good reasons to try a house like this even if you feel the environment is fine where you live.
Read more: A Sustainable House Inspired by Case Study Houses and Eichler