US Claims Huge Chunk of Seabed Amid Strategic Push for Resources

The US extended its claims on the ocean floor by an area twice the size of California, securing rights to potentially resource-rich seabeds at a time when Washington is ramping up efforts to safeguard supplies of minerals key to future technologies.

The so-called Extended Continental Shelf covers about 1 million square kilometers (386,100 square miles), predominantly in the Arctic and Bering Sea, an area of increasing strategic importance where Canada and Russia also have claims. The US has also declared the shelf’s boundaries in the Atlantic, Pacific and Gulf of Mexico.

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