Forthcoming in the Journal on Policy and Complex Systems *** Abstract:  The challenges presented by climate change may be the most complex issues humans have faced.  It is critical to capture that complexity in ways that can be understood across disciplines.  Equally daunting is the task of developing policies which can translate into actions.  Scientifically, humans need to cease all use of fossil fuels as soon as possible.  Feasibly, that could wreak havoc on global economies.  This paper explores the design of policies which could move human societies towards resilient and biophysically sustainable systems.  The petrochemical industry is considered as an example for change. Introduction There is arguably no more…