Revolutionary concepts continually shape and uproot research agendas, and occasionally researchers themselves. This seminar examined the many ways revolution impacts on research. Kerry Lock explores the role of new ecological thinking in the way we understand and try to conserve the biophysical environment. Peter Watson takes a radical perspective and assesses how the label 'revolution' can distort our understanding of history. Kerry Lock: The Green RevolutionPeter Watson: The Feudal Revolution: Fact or Fiction?