Climate change is a unique problem in that an individual acting for ?the long-term good will see no benefit if differences in standards of ?living remain without similar behaviors adopted globally. The societal ?tipping points, like the global temperature limit, require ?modification of longer term trends of urbanization and related human ?wellbeing for keeping within ecological limits. Climate change as a ?social and not just a physical problem raises questions on the way ?transformations to sustainability are conceptualized, understood and analyzed.