Media playback is unsupported on your device

Leonardo DiCaprio's role as eco warrior

19 June 2014 Last updated at 11:19 BST

Leonardo DiCaprio has said he is going to give a seven million dollar donation to help clean up the world's oceans.

The Hollywood actor and environmentalist made the pledge as he addressed the US State Department's Our Ocean conference.

It coincided with President Barack Obama's announcement of new efforts to protect parts of the Pacific Ocean which are controlled by America.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.