Sustainability, climate change and uncertainty

I present what I view as three levels of uncertainty that is inherent in the sustainability, climate change and human well-being problem. I argue that new approaches are needed to address these uncertainities. These include the need to study more problems that link ecosystem services to human-well being, reduce the scientific community's dependency on ''getting it perfect'' before knowledge is communicated to decision makers and the need to use tools and approaches from other disciplines to expand our ''imagination'' about future pathways and endpoints.