From the page: "Low-oxygen zones where sea life is threatened or cannot survive are growing as the oceans are heated by global warming, researchers warn.
"Oxygen-depleted zones in the central and eastern equatorial Atlantic and equatorial Pacific oceans appear to have expanded over the ...
From the page: "Low-oxygen zones where sea life is threatened or cannot survive are growing as the oceans are heated by global warming, researchers warn.
"Oxygen-depleted zones in the central and eastern equatorial Atlantic and equatorial Pacific oceans appear to have expanded over the last 50 years, researchers report in Friday's edition of the journal Science.
"Low-oxygen zones in the Gulf of Mexico and other areas also have been studied in recent years, raising concerns about the threat to sea life."
