NOAA collects 50 metric tons of marine debris from Northwestern Hawaiian Islands | Scuba & The Underwater World News |

NOAA  Ship Oscar Elton Sette arrived back  in its homeport of Honolulu on Saturday after a month in Papahānaumokuākea  Marine National Monument. The team of 17 scientists collected nearly 50 metric  tons of marine debris, which threatens monk seals, sea turtles and other marine  life in the coral reef ecosystem, in the Northwestern Hawaiian Islands (NWHI). NOAA  has conducted annual removal missions of marine debris in the NWHI since 1996  as part of a coral restoration effort.