Tonga's Prime Minister Embraces US Partnership for Deep-Sea Mineral Exploration
The recently elected leader of Tonga, Lord Fatafehi Fakafānua, has characterized a new agreement with the United States to collaborate on deep-sea mineral exploration as an "exciting development" for the small Pacific nation. This announcement comes amid growing environmental concerns within Tonga and across the region regarding the potential impacts of seabed mining on delicate ocean ecosystems.
Tonga, situated in the South Pacific Ocean, finds itself at the center of increasing international interest. The focus lies on whether critical minerals buried beneath the ocean floor could be extracted to fuel global industries and advance green technologies. In his initial public comments on the subject, Prime Minister Fakafānua emphasized that Tonga possesses a deep historical and cultural connection to the ocean and would maintain a "cautious" approach to any exploration activities.
The US-Tonga Agreement and Its Implications
In February, the United States and Tonga formalized a deal to cooperate on advancing marine scientific research specifically for the "responsible exploration of seabed mineral resources." An official statement released on February 26th declared that both nations are "uniquely positioned" to work together in this emerging field. The joint commitment is to foster responsible exploration while simultaneously enhancing the global scientific understanding of the deep ocean environment.
Prime Minister Fakafānua, who took office in November 2025, reiterated Tonga's commitment to operating within established international legal frameworks. "With regards to deep-sea minerals, as a nascent industry, Tonga remains fully committed to scientific exploration of our oceans under the multilateral systems we are legally bound to and continues to strictly maintain a cautious approach of firstly do no harm," he stated. Tonga has an existing, long-term partnership with The Metals Company for exploration work, although no actual mining operations have commenced to date.
Mounting Environmental and Public Opposition
Environmental advocacy groups are raising significant alarms, warning that both the exploration phase and any subsequent deep-sea mining could cause severe, potentially irreversible damage to fragile ocean ecosystems. The concern extends beyond environmental impact to issues of public consultation within Tonga. Critics argue that the populace has not been adequately informed or consulted regarding the deal with the United States, a matter of profound national importance.
Dr. 'Ungatea Fonua Kata, a prominent academic and public figure in Tonga, stands as one of the most vocal opponents. She describes the Pacific Ocean as the nation's "home," highlighting that communities depend on the sea for their livelihoods. "The Pacific Ocean is the largest ocean on Earth yet it's our home. We are opposed to any activity that could damage that environment," said Kata, who also serves as education director for Tonga's largest church denomination. She emphasized the nation's limited land mass and deep reliance on the ocean, stating a firm opposition to any actions detrimental to their marine environment.
Drew Havea, Chair of the Civil Society Forum of Tonga, is another staunch opponent who has called for a complete moratorium on deep-sea mining. "Most Tongans disagreed with their country's involvement in deep-sea mining," Havea asserted. He had advocated for a public referendum on the issue during the November elections, but the previous government did not act on this request.
Regional Support for Caution and Independent Research
The Civil Society Forum of Tonga has garnered strong regional backing from organizations like the Pacific Network on Globalisation, a leading environmental and advocacy group. Joey Tau, the network's regional coordinator, has urged extreme caution, noting that the full consequences of deep-sea mining remain a vast unknown. "There is more need for deep-sea science and research, but one that is done independently, that benefits the common good of all humankind, and not one that is driven by industry," Tau explained.
He further contextualized the opposition by pointing to the troubled history of mining in the Pacific region and globally. "Mining has really a bad history in this part of the world. You can [also] look at other continents – it has displaced people, it has brought about social differences," he said, underscoring the potential for significant social and environmental disruption.
The debate in Tonga encapsulates a broader global tension: the pursuit of minerals deemed critical for technological advancement and the green energy transition, set against the imperative to protect one of the planet's last unexplored frontiers and the communities whose lives are intertwined with it.



