“…As scholars have pointed out, participative forms of governance such as public engagement have emerged in recent years in response to both structural shifts in knowledge production and critical events in risk management (Nowotny et al, 2001;Jasanoff, 2003Jasanoff, , 2005Reardon, 2004Reardon, , 2007Stilgoe et al, 2005;Winickoff et al, 2005;Rabinow and Bennett, 2007;Lengwiler, 2008). A chain of 'dislocatory events' (Gottweis, 2008) from Bhopal to Chernobyl to the uncontrolled spread of HIV/AIDS and BSE revealed the substantial limits of an ostensibly objective and purely technical form of scientific expertise (Beck, 1992;Jasanoff, 1994a;Epstein, 1996;Fortun, 2001;Petryna, 2002).…”