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Global South Urged to Resolve Maritime Border Disputes Through UN Sea Law

opinion-review · 2026-09-10

Numerous maritime boundaries remain in dispute globally, particularly impacting the Global South. According to the opinion piece, Africa holds the highest number of unresolved sea boundaries. These conflicts often arise from overlapping claims to resource-abundant regions and uncertainties regarding territorial limits. The article highlights Cambodia's mandatory conciliation with Thailand under UN maritime law as a case where international law can facilitate peaceful resolutions before tensions heighten. Ongoing global conflicts are unsettling energy markets and undermining the legal framework essential for maritime security, necessitating urgent government involvement in these disputes. The piece emphasizes that now is a crucial moment for the Global South to showcase how international law can offer effective solutions. A photo depicts a fence in Chanthaburi province, established by the Thai military following last year's escalation of the Thailand-Cambodia border dispute, which resulted in over 100 fatalities among military personnel and civilians.

Key facts

  • Dozens of sea borders remain unresolved globally.
  • Africa has the highest number of unsettled sea boundaries.
  • Cambodia's compulsory conciliation with Thailand under UN sea law is cited as a peaceful resolution example.
  • Global conflicts are disrupting energy markets and the legal order underpinning maritime security.
  • A fence was erected by the Thai military in Chanthaburi province along Thailand's eastern border.
  • The Thailand-Cambodia border dispute escalated last year into the deadliest fighting in over a decade.
  • More than 100 military personnel and civilians died in the fighting.
  • The article argues the Global South should show how international law can provide solutions.

Entities

Institutions

  • United Nations
  • Reuters

Locations

  • Cambodia
  • Thailand
  • Africa
  • Chanthaburi
  • Global South

Sources