Gerard Barron Makes the Case for Mining the Ocean Floor, tell me about this news in (https://www.nytimes.com/2026/09/23/climate/gerard-barron-metals-company-ocean-floor-mining.html)

The news report centers on Gerard Barron, the CEO of The Metals Company (TMC), and his push to advance commercial deep-sea mining as a critical component of the global energy transition.

Here is a breakdown of the key points, arguments, and controversies detailed in the coverage:

1. The Core Pitch: Clean Energy and Critical Minerals

• Polymetallic Nodules: Barron’s company focuses on harvesting potato-sized polymetallic nodules resting on the abyssal plainsprimarily in the Clarion-Clipperton Zone (CCZ) of the Pacific Ocean between Hawaii and Mexico. These nodules are rich in nickel, cobalt, copper, and manganese.

• The Battery Demand Argument: Barron argues that shifting the world away from fossil fuels requires massive volumes of battery metals. According to his case, ocean nodules represent the largest untapped deposit of these critical minerals on Earth, capable of powering hundreds of millions of electric vehicles without opening new open-pit mines on land.

2. The Environmental Comparison: Land vs. Sea

• Barron contends that deep-sea harvesting carries a smaller overall environmental and human footprint than conventional terrestrial mining.

• He contrasts seabed extractionwhere nodules are picked up from the seabed floorwith terrestrial nickel and cobalt mining in regions like Indonesia and the Democratic Republic of Congo, which often involve widespread deforestation, high carbon emissions, toxic tailings, and documented human rights abuses.

• He maintains that the deep ocean floor, thousands of meters below the surface, contains far lower biomass per square meter than tropical rainforest ecosystems.

3. Regulatory Tensions and U.S. Permitting Strategy

• Bypassing the ISA Gridlock: The United Nations-backed International Seabed Authority (ISA) has spent years debating and delaying the codification of rules governing commercial seabed extraction in international waters.

• Turn Toward the U.S.: Frustrated by ISA gridlock, Barron and TMC pivoted toward pursuing permits through domestic U.S. channels via the National Oceanic and Atmospheric Administration (NOAA) under the 1980 Deep Seabed Hard Mineral Resources Act (DSHMRA).

• Geopolitical Framing: Barron has increasingly framed seabed mining as a vital national security priority to counter foreign controlspecifically China’s near-monopolyover battery processing and critical mineral supply chains.

4. Pushback from Scientists and Environmentalists

• Irreversible Ecological Harm: Over 800 marine scientists and international conservation bodies warn that the deep ocean is far from barren. Removing noduleswhich take millions of years to form and host unique faunacould permanently obliterate fragile benthic ecosystems and disrupt the broader oceanic food web.

• Sediment Plumes and Ocean Carbon: Researchers raise alarms over sediment plumes stirred up by harvesting machinery and the potential disruption to the deep ocean’s role as a major planetary carbon sink.

• Questioning the Necessity: Opponents point out that battery technology is shifting rapidly, with alternative chemistries like lithium iron phosphate (LFP) and sodium-ion batteries significantly reducing or eliminating the need for nickel and cobalt altogether.