“…While ASEAN has often been critiqued as an ‘elitist’ organisation with limited space for non‐state actors (Noortmann, 2021; Rüland, 2014), this paper has argued how the governance approaches of Singapore's transboundary publics fit comfortably within the ‘engaged non‐indifference’ geopolitical culture of ASEAN, whereby overtly political aspects of transboundary commoning are actively subordinated to economic strategies (Marks et al, 2020; Miller, 2020; Miller, Middleton, et al, 2020). While state strategies like the THPA, which set out to channel responsibility to the business sector while diverting the blame away from governments (Miller, Middleton, et al, 2020), failed to minimise geopolitical tensions (Varkkey, 2018), the strategies spearheaded by these non‐state actors have been more successful.…”