I'm sad from Japan to see your list because we have worse standards than US even though we don't have great energy source. Poor houses could be built by just la

I'm sad from Japan to see your list because we have worse standards than US even though we don't have great energy source. Poor houses could be built by just lazy government. We still see single glass with stupid aluminum windows frames. It's really awful to use aluminum for insulation that also used for heat sink.