Japan and US Agree to Strengthen Critical Minerals Cooperation, Including Rare Earths and Deep-Sea Resources

Published: Mar 24, 2026 09:54
[SMM Rare Earth Bulletin] Japanese Prime Minister Takaichi Sanae and US President Trump reached an agreement under which both sides will strengthen cooperation on critical minerals to enhance supply chain resilience. The two countries signed a preliminary agreement to jointly develop deep-sea mineral resources, including rare earth-rich mud resources around Minamitorishima. The Ministry of Economy, Trade and Industry and the Department of Commerce will establish a working group to advance technical cooperation on projects involving rare earth mud and manganese nodules. In addition, Mitsubishi Materials is cooperating with US-based ReElement Technologies on a project in Indiana to recycle rare earths from waste magnets.

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