Few countries have adopted legislation to reduce land-based marine pollution, leading to an increase in the number of dead ocean areas.

UNESCO: Social and Human Sciences

Floating in the ocean or dead.

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While the wood in the study was placed there by scientists, wood naturally finds its way into the ocean as dead trees fall into rivers and are swept out to sea, when storm debris is taken by surging waters and even from shipwrecks.

MSN: Wood feeds creatures of the deep sea - Technology & science - Science - OurAmazingPlanet | NBC News