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JAPAN TAPS DEEP-SEA RARE EARTHS TO BREAK CHINA GRIP

INDUSTRY DESK1 MIN READ
FRI, APR 17, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

Japan is reducing its dependence on Chinese rare earth elements through an enormous underwater deposit discovered near a remote island at 6,000 meters depth. The discovery represents a rare success in global efforts to diversify rare earth supply chains.

Rare earth elements are essential for electronics, renewable energy systems, and defense applications, yet China controls the majority of global supply. Japan's underwater deposit offers a potential solution to this critical dependency. The discovery, located in the Pacific Ocean near a remote Japanese island, contains sufficient quantities to support Japan's industrial needs. The depth presents engineering challenges, but Japanese researchers and companies are advancing extraction technologies to make deep-sea mining viable. Other nations have pursued rare earth independence with limited success, making Japan's progress notable. The initiative aligns with broader efforts by developed economies to secure supply chains for critical minerals, reducing reliance on single-source suppliers. Successful extraction would strengthen Japan's economic security and potentially offer alternative sources for other nations seeking rare earth independence. Development timelines and environmental assessments remain ongoing.

■ SOURCES

Wired

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

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