Leonardo Dicaprio On Seas

Leonardo DiCaprio's character in "Titanic" might have an ambivalent relationship with the ocean (spoiler for the eight people who haven't watched yet: he drowns), but the actor himself is a big fan of the seas - and at a State Department oceans conference on Thursday, he warned about environmental threats to marine ecosystems.

Leonardo DiCaprio's character in "Titanic" might have an ambivalent relationship with the ocean (spoiler for the eight people who haven't watched yet: he drowns), but the actor himself is a big fan of the seas - and at a State Department oceans conference on Thursday, he warned about environmental threats to marine ecosystems.