UN Summit Advances Ocean Protection, Vows to Defend Seabed
- The United Nations held its third major ocean summit in Nice, France, which ended on June 13, 2025, drawing over 15,000 attendees, including heads of state and leaders from civil society.
- The summit aimed to address the global marine emergency by advancing ocean conservation amid rising concerns over deep-sea mining and plastic pollution.
- Key outcomes included 19 countries ratifying the High Seas Treaty, plans for new marine protected areas by 14 nations, and private donors pledging 8.7 billion euros for sustainable ocean management.
- Rebecca Hubbard commended the significant advancements in treaty ratifications, while Olivier Poivre d'Arvor cautioned against proceeding hastily with deep-sea exploration, emphasizing the uncertainty surrounding what lies beneath the ocean floor.
- Despite the momentum, the summit closed with a political statement omitting coal, oil, and gas, and called for stronger commitments at upcoming talks on deep-sea mining and plastics treaties.
48 Articles
48 Articles

Nations advance ocean protection, vow to defend seabed
A global oceans summit wrapped up Friday with world leaders taking major steps toward marine protection and vowing a showdown when nations meet to negotiate rules for deep-sea mining next
The UN Ocean Conference was concluded on Friday, 13 June, on the French Riviera. With, at the key, a lot of commitments, little concrete progress, apart from a salve of ratifications of the Treaty on the High Seas, which should allow for the entry into force of this agreement in 2026 and the creation of a new COP.
The fight against all forms of pollution, conservation of ocean resources and marine biodiversity, including the deep sea, and face the effects of climate change are some promises.
On the occasion of the 3rd United Nations Conference on the Ocean, held in Nice, the Grand Duchy renewed its support for the preservation of the oceans, the fight against climate change and the defence of biodiversity.
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