Island Nations Tell UN Rising Seas Threaten Statehood, Not Just Shores

Leaders from three low-lying island nations used the United Nations General Assembly on Friday to warn that climate change is not only reshaping their coastlines but testing the foundations of their statehood.

The presidents and prime ministers of Kiribati, the Maldives and Tuvalu each took the podium to argue that rising seas, eroding shores and extreme weather are pressing on communities, infrastructure, water supplies and livelihoods.

Kiribati President Taneti Maamau described his country as an ocean nation whose economy, food security, culture and way of life rest on healthy marine resources. Sustainable management of those resources, he said, is central to long-term development, and he called for stronger partnerships and equitable progress towards Sustainable Development Goal 14, which seeks to conserve and sustainably use the oceans, seas and marine resources.

Maamau linked the health of fisheries to a changing climate, noting that sea level rise, coastal erosion, saltwater intrusion and extreme weather events continue to strain Kiribati's communities and infrastructure.

Maldivian Vice President Mohamed Latheef broadened the argument, saying conflict is not the only threat to sovereignty and that forces beyond a state's borders can constrain its ability to shape its own future. For island nations like the Maldives, he said, climate change is the most consequential of those forces because it alters the physical foundations of the country.

Sea level rise, Latheef said, is therefore not merely an environmental matter but one of national planning and national security, and ultimately of sovereignty. He insisted that rising waters may change shorelines but will not erase statehood, reduce rights, weaken maritime entitlements or diminish national agency, and he called for a response built on adaptation, innovation and construction.

Tuvaluan Prime Minister Feleti Teo framed the moment as one of managing multiple transformations. Climate change is reshaping the physical environment, technology is changing how societies communicate and govern, and artificial intelligence is altering how economies function, he said. The task, in his view, is not to halt change but to steer it in ways that protect people, preserve what is valuable and give every country the capacity to decide its own future.

Teo called climate change the single greatest existential threat to Tuvalu's survival, security and sustainable development. While acknowledging international efforts to address the crisis, he said the pace and scale of global action remain insufficient, and that a temporary overshoot of the 1.5 degrees Celsius target is now inevitable.

He argued that a fast, fair, just and orderly transition away from fossil fuels is more urgent than ever, and pointed to methane mitigation as the only scalable near-term option capable of slowing global temperature rise quickly enough to buy time for longer-term carbon dioxide decarbonisation strategies. Even so, he said, CO2 mitigation must remain a top priority and both tracks should be pursued simultaneously.

The interventions came as the UN continues to press for action beyond pledges to limit global warming to 1.5 degrees Celsius above pre-industrial levels, with the Sustainable Development Goals and the 2015 Paris Agreement serving as the main frameworks for reducing emissions, strengthening resilience and protecting vulnerable nations.