Key Topics

In this section, we address the principle themes of interest to stakeholders with regard to polymetallic nodule collection.

Will deep-sea mineral extraction create sediment plumes?

Sediment is a mixture of minerals and material that covers the deep seafloor. When polymetallic nodules are collected by remotely controlled…

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Will deep-sea mineral extraction affect ocean noise?

Noise from polymetallic nodule collection will be generated in three locations: at the surface, in the water column, and at the…

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Do polymetallic nodules create dark oxygen on the seafloor?

In July 2024, a scientific paper was published in Nature that claimed Dark Oxygen Production (DOP) was occurring on the ocean…

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Will deep-sea mineral extraction release carbon into the atmosphere?

It is well known that the oceans play an important role in regulating earth’s climate. How? Plant life such as algae…

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Will deep-sea mineral extraction affect cetaceans in the ocean?

The potential impact of deep-sea mineral extraction and polymetallic nodule collection on whales, dolphins and other marine life must be carefully…

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Will deep-sea mineral extraction disrupt fishing?

Fishing is a very mobile and adaptive industry, and fishing locations move with the distribution of fish stocks. Deep-sea mineral extraction…

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