Ocean heatwave known as 'the blob' warms up sea off West Coast, threatening animals - USA TODAY
Ocean heatwave known as 'the blob' warms up sea off West Coast, threatening animals USA TODAYThe so-called blob covers an area of 4 million square miles, or three times the size of Alaska.
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The so-called blob covers an area of 4 million square miles, or three times the size of Alaska.