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The role of Leonardo DiCaprio as an eco-warrior

June 19, 2014 Last updated at 11:19 BST

Leonardo DiCaprio has said he will donate $ seven million to clean up the oceans.

Hollywood actor and environmentalist made the pledge while addressing the conference Our State Department U.S. Ocean.

This coincided with the announcement of the new efforts of President Barack Obama to parts of the Pacific Ocean, which are controlled by the United States to protect.