Map of the ocean 'dead zones' - see link

The ocean low oxygen zones are more extensive than the coastal very low oxygen zones. Both types of problem spots around the world can be seen on a map on a U.N. webpage: Global Ocean Oxygen Network, (en.unesco.org/go2ne) The website also has a list of 10 main ocean oxygen concerns.

Photograph of the image of the Global Ocean Oxygen Network's map of the ocean low oxygen zones.

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