“…Such a level of change amounts to a new era or civilisation. Elgin [2014] describes this level of change in terms of humanity growing-up from its present condition as short-term, pleasure-seeking teenagers who try to prove their superiority and independence at the expense of other species and future generations. Kallis [2011] is not so scathing but argues for a similar level of change with a diff erent zero-growth system not dominated by economic rationality and goals.…”