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Community members in Tonga walk through shallow coastal flooding, highlighting the impacts of rising sea levels on daily life.
Photo: PMO Tonga

As the Pacific steps into a defining climate moment ahead of COP31, Tonga is doing the work now — building the evidence base that will shape decisions for generations.  

  • SDG 13
  • SDG 17

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Among the most basic for small island developing states: how high are their islands and how soon will sea level rise overwhelm them?
Aerial view of an atoll island with lagoon, narrow strip of land and reefs
Representatives from the Government of Tonga alongside the Green Climate Fund (GCF) and UNDP sign the project document for the Tonga Coastal…
The Green Climate Fund has approved $22.66 million for Tonga’s Coastal Resilience Project, aimed at building the long-term resilience of vulnerable…
New data collected via state-of-the-art LIDAR, or Light Detection and Ranging, technology, sheds a light on the challenges in one of the world’s most…
Aerial view of Tuvalu