“ While much discussion and effort has gone into sustainability indicators, none of the resulting systems clearly tells us whether our society is sustainable. At best, they can tell us that we are heading in the wrong direction, or that our current activities are not sustainable. More often, they simply draw our attention to the existence of problems, doing little to tell us the origin of those problems and nothing to tell us how to solve them.
- Joy E. Hecht ve zprávě pro Americký Úřad pro ochranu životního prostředí, citovaná v článku Sustainable development - Wikipedia, the free encyclopedia
- Joy E. Hecht ve zprávě pro Americký Úřad pro ochranu životního prostředí, citovaná v článku Sustainable development - Wikipedia, the free encyclopedia
