‘Gaps’ in knowledge: do they exist? Can they be filled?…

Future sustainability research, no matter how interdisciplinary, should build on th[e mountain of data from previous programmes] and focus on finding and closing knowledge gaps [and thereby] provide an invaluable service to society” [Nature editorial, 3 March, 2016].  In this new essay, submitted to the journal Environmental Humanities, I analyse calls such as this for knowledge gap-filling around climate change by asking three specific questions: What sorts of knowledge are we dealing with? How are gaps in knowledge framed? Why do we think more knowledge matters anyway?