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deep-sea mining

The seafloor is blanketed n mounded rocks.
Posted inResearch & Developments

Trump Moves to Allow Seabed Mining in International Waters

by Emily Dieckman 25 April 20255 May 2025

A new executive order aims to establish the United States “as a global leader in seabed mineral exploration and development both within and beyond national jurisdiction.”

A submersible vessel explores a polymetallic nodule field on the seafloor in the Pacific Ocean.
Posted inResearch Spotlights

The Unexpected Role of Magnetic Microbes in Deep-Sea Mining

Aaron Sidder, freelance science writer by Aaron Sidder 26 September 202424 April 2025

A new study highlights the co-occurrence of magnetic bacteria and polymetallic nodules and may offer insights into how the mineral-rich nodules form on the ocean floor.

A close-up of a person holding a lumpy black blob between two fingers.
Posted inNews

Metallic Nodules Create Oxygen in the Ocean’s Abyss

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 30 July 202424 April 2025

These nodules, a focus of seabed mining interests, could be natural “geobatteries” and play a larger-than-expected role in the deep-sea ecosystem.

A “black smoker” chimney
Posted inResearch Spotlights

Exploration and Evaluation of Deep-Sea Mining Sites

Aaron Sidder, freelance science writer by Aaron Sidder 14 February 202224 April 2025

Two studies chart new territory for the fledgling deep-sea mining industry through advances in the identification and analysis of seafloor hydrothermal mounds.

An underwater photograph of black potato-sized polymetallic nodules scattered on the seafloor
Posted inFeatures

The 2-Year Countdown to Deep-Sea Mining

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 January 202224 April 2025

A small island nation is forcing the hand of international regulators to finalize rules for deep-sea mining, but scientists say the environmental consequences are not yet clear.

Long tentacles of a Relicanthus stream above the seafloor
Posted inNews

Deep-Sea Mining May Have Deep Economic, Environmental Impacts

by James Dacey 3 August 202024 April 2025

A new report supports the creation of a compensation fund for nations that rely on terrestrial mining, but it fails to dispel environmental concerns over deep-sea mining.

Pink brisingid sea star shuffles across the seafloor
Posted inNews

The Long-Lasting Legacy of Deep-Sea Mining

Sarah Derouin, Science Writer by Sarah Derouin 21 May 202024 April 2025

New research reveals a deep-sea mining experiment that took place 26 years ago still has significant and persistent impacts on benthic life.

The spotlights of a remotely operated vehicle illuminate carbonate rock spires of the Lost City hydrothermal vent field in the Atlantic Ocean.
Posted inNews

Deep-Seabed Mining May Come Soon, Says Head of Governing Group

by Randy Showstack 22 November 201724 April 2025

New regulations could open the door for sustainable mining, says the head of the International Seabed Authority. However, he and others pointed to environmental, financial, and technical challenges.

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