This thesis is about the 'politics of meaning' in the context of environmental debate in Tasmania. The central argument is that movement-generated political parties play a vital role in this politics, particularly in generating new interpretations and new frames of meaning. Party political actors operate from a privileged position within 'public arenas' and their participation within public debate differs significantly from that of movement activists. Party formation entails the politicisation and pragmatisation of debate, enhances the use of official media strategies, results in a diffusion of issues and encourages compliance with established political boundaries. These processes are viewed as critical for the organisation of new...