Summary While eco‐efficiency is extremely important in leading to a more healthy and sustainable environment, it is only a partial solution. Comparison of eco-effectiveness and eco-efficiency based criteria for the construction of single-family homes. S Lindner1,2, M Braungart1 and N Essig2. The internalisation level of sustainability issues varies among topics and among countries. Compa- nies give up less internalised issues for more internalised.