“…Numerous observers also view participation as important for promoting environmental goals; furthermore, policy objectives in international documents point to the need for governments to engage with civil society to achieve environmental sustainability (WCED, 1987;UNCED, 1992;ESCTC, 1994;WSSD, 2002;ODPM, 2005;CEU, 2006). The ecological modernization literature also widely articulates the need for broadening the participatory base (Mol, 2000;Mol & Spaargaren, 2002), although some proponents of this approach are viewed as "stronger" than others (Hajer, 1995;Christoff, 1996;Dryzek, 2005;Howes et al 2009).…”