Dead zones off Oregon and Washington likely tied to global warming, study says

Although scientists continue to amass data and tease out the details, all signs in the search for a cause point to stronger winds associated with a warming planet.

If this theory holds up, it means that global warming and the build-up of heat-trapping gases are bringing about oceanic changes beyond those previously documented: a rise in sea level, more acidic ocean water and the bleaching of coral reefs.

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