Book excerpt: This book is an urgent call to reimagine our social, political and economic systems so that we might transform to a sustainable society. It considers whether an alternative economic model is possible and examines the factors needed to enable such a transition to occur. The scale and pace of change is unprecedented and the author examines the actions that have to be taken by governments, business and individuals if we are to address the environmental disaster that confronts us. Much needs to change but ultimately, this is a book of hope, believing that evolution to a better, more sustainable society is possible.