Article about a 640 sq. ft. house built by a couple with a toddler and a cat:
I wasn't sure where to put this but one of their motives for building it was environmental. So hopefully this is a good spot.
I very much like the idea of downsizing our American tendency towards McMansions. It is nice to see that there other people who believe in it enough to act on it. Though I am reminded that many places there are restrictions on how small you can go. The good intention behind that is to foil slum lords. But it also turns into a headache for folks who want to downsize their lives and find it is "illegal", so to speak.