Story perspectives

US and Japan Collaborate on Deep-Sea Mining Amid Global Concerns

3/28/2026

Summary

Story summary

The United States has pursued deep-sea mining for nearly a year without global cooperation, and Japan agreed to assist by signing a memorandum.
The memorandum commits to share research as minerals on the ocean floor pose technical and ecological risks.
The United States plans to issue permits for mining in international waters, drawing diplomatic concerns.
At the International Seabed Authority meeting, 40 countries backed a moratorium, while Japan urged rulemaking.

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Story summary

The United States has pursued deep-sea mining for nearly a year without global cooperation, and Japan agreed to assist by signing a memorandum.
The memorandum commits to share research as minerals on the ocean floor pose technical and ecological risks.
The United States plans to issue permits for mining in international waters, drawing diplomatic concerns.
At the International Seabed Authority meeting, 40 countries backed a moratorium, while Japan urged rulemaking.