Andrew J. Hoffman is a professor of sustainable enterprise at the University of Michigan. He is a leader in using organizational networks and strategic analysis to assess the implications of environmental issues for business. He has published over 16 books and over 100 articles. The last time we met in Vancouver Andy was on sabbatical and we were able to spend some time talking about his latest book How Culture Shapes the Climate Debate. Our conversation focused on culture, ideology and building social consensus on climate change.