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Here is another example of urban ecoarchitecture

The new seminar building at The Evergreen State College used sustainable design construction.

Cedar Corner is an urban ecovillage

Cae Mabon is an intentional community that uses cob-style architecture

The roundhouse is a natural architecture shape used by mankind since at least the Bronze Age. This is an African roundhouse

Toni Wrench's roundhouse is a style of permaculture designed housing

seattleecourban's photostream