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