Climate Change as an Existential Security Issue in the Pacific

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Seminar 8, held on April 14, 2025, continued the PG420 unit’s exploration of non-traditional security threats by examining climate change as an existential issue facing the Pacific region. The seminar built on previous discussions by focusing on the vulnerability of Pacific Island nations, the role of indigenous knowledge, and the integration of climate resilience into regional security strategies. Presenters analyzed the political, economic, environmental, and social implications of climate change, while proposing locally grounded responses. The full seminar recording is available on my YouTube channel.

Screenshot of the video

The discussion began with a focus on how climate change is already impacting key sectors in the Pacific, particularly agriculture, fisheries, and infrastructure. Presenters discussed rising sea levels, ocean acidification, and extreme weather events, noting their cascading effects on livelihoods and national development. Strategies such as developing climate-resilient crops, adaptive fisheries policies, and investing in early warning systems were presented as urgent national and regional priorities.

Another major topic was the integration of scientific data with traditional knowledge systems. Presenters emphasized that evidence-based policymaking must also draw on indigenous practices and values to be effective. Case studies such as the Tuvalu Coastal Adaptation Project were highlighted to show how international collaboration combined with community-based approaches can enhance resilience and sustainability.

Participants also addressed the importance of context-specific legislation and governance. Climate policies that respond to the unique ecological, cultural, and geographic realities of each Pacific nation were seen as essential. Proposed measures included enhancing local decision-making authority, supporting green infrastructure, and prioritizing long-term capacity building at the national level.

The significance of traditional knowledge in building climate resilience featured prominently throughout the seminar. Presenters called for greater documentation and inclusion of cultural practices that promote environmental stewardship. It was noted that preserving these systems is not only a matter of heritage, but a pragmatic approach to strengthening adaptation in remote and vulnerable communities.

The vulnerability of marine ecosystems was discussed, particularly the effect of warming oceans on tuna stocks and fisheries-based economies. Changes in tuna migration patterns could significantly affect national revenue, food security, and employment across the Pacific. These trends pose a dual threat: ecological degradation and economic instability.

Food security and climate justice were key themes in the later presentations. Traditional farming methods and local food systems were emphasized as climate-resilient alternatives to imported, vulnerable supply chains. The discussion also highlighted the importance of Pacific nations continuing to advocate for stronger international mechanisms on loss and damage and fair access to climate finance.

The seminar concluded with a summary of next steps, including a reminder for students to engage further in the online forum, complete assigned submissions, and begin preparing for the next topic on transnational crime and regional security. Students were also encouraged to research traditional knowledge and adaptation strategies in their own communities. 

Watch the full seminar here: Seminar 8 – Climate Change as an Existential Security Issue.

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