n’UNDO shows that it is possible to build more and better by NOT DOING, REDOING or UNDOING, actions that guarantee economic, social, cultural and environmental sustainability. >> n' TT (Think Tank) It develops, among other activities, teaching, consultancy, intervention and certification. >> n' OT (n'UNDO Technical Office)_Global-Human-Enviroment: Consulting and intervention in the city, the territory and humanitarian world.