“How is Science Governed? We have already seen how the changing nature of science, and its changing relationship with society, has left Polanyi’s self-governing republic of science somewhat defenceless. The boundaries of science have become more porous even if, in the heartland of the republic, the norms and practices of expert peer-review and disinterested enquiry continue to be aspired to. New complex phenomena such as climate change, and the role ascribed to scientific knowledge in public debates about climate change policy, demand adjustments to the way in which science is governed and how its knowledge is policed. With respect to climate change, the Intergovernmental Panel on Climate Change is the creation of this new operating environment for science or, one might say, is an attempt to create a new interface between science and policy suited to a ‘post-normal’ operation of science. Yet exactly what the IPCC is, how it is governed, what sort of knowledge it”