Sustainability assessment is now thoroughly on the agenda. This deepening attention to issues of sustainability and sustainable development goes back to the release of the Club of Rome Limits to Growth report in 1972. Then came the infl uential Brundtland report and the UN Conference on Environment and Development’s subsequent Agenda 21. In recent years, this attention has translated into the increasingly widespread organizational practice of sustainability assessment. However, the means by which this is happening is fraught.