Leveraging the settler ecostory: Caitlin Morton, Settler Colonialism and the Australian Environment: A Sociolegal Discourse Analysis of Decolonising Narratives Mobilised by First Nations Peoples in Modern Australian Environmental Conflicts, PhD dissertation, University of Sydney, 2025 | settler colonial studies blog

Leveraging the settler ecostory: Caitlin Morton, Settler Colonialism and the Australian Environment: A Sociolegal Discourse Analysis of Decolonising Narratives Mobilised by First Nations Peoples in Modern Australian Environmental Conflicts, PhD dissertation, University of Sydney, 2025

24Nov25

Abstract: This thesis uses a historical discourse analysis of sociolegal narratives mobilised by First Nations peoples in environmental conflicts in modern Australia to develop three case studies on (1) the Wild Rivers Act 2005, (2) the National Radioactive Waste Management Facility (3) the McArthur River mine. Each case triggered social, legal, and political action by affected Traditional Owners who mobilised narratives that contributed to decolonisation by critiquing and replacing colonial assumptions about the environment and environmental governance. The sources evidencing these decolonising narratives are diverse, reflecting the diverse forms of legal, social, and political participation within First Nations peoples’ resistance to ongoing settler colonialism and its effects on their lands and waters. It is this fact that necessitates the analysis of a broad scope of sources such as petitions; open letters; protest narratives; and legal documents such as court transcripts, submissions, and reports, with O’Brien (2018) providing important precedents for decolonising projects based on the extensive historical study of petitions and related documents. By exploring the sociolegal achievements and narrations of First Nations peoples (individually and collectively) asserting rights to their lands and waters, this research adopts a decolonising approach adept at critiquing and replacing colonial normativity (Mignolo, 2009, 2021). This approach allows the research to answer questions on how decolonisation is framed by First Nations peoples within public debates about the environment, and the implications for understanding environmental politics and policy in Australia and other settler colonial contexts. The results, which are particularised to each case, support the overall argument that the mobilisations and narrations of First Nations peoples defending their lands and waters are decolonising because they critique and replace colonial environmental norms in public fora.

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