cousteau invites ted down to the delta of the amazon, and ted and cousteau are out on board the deck.you, ted, coral reefs are being destroyed, bellwether peevies are being lost. ice caps are melting. there are freshwater droughts. what did you think at the time? >> i was concerned and resolved to do whatever i could to help it. >> mankind can expect from sdploiting the amazon maybe very little, maybe a lot. i don't know. >> ted said, captain, i came down here to be inspired, and this is all bumming me out. >> being myself very eek logically minded -- >> what do you want me to do? he said you need to use your reach through cnn to affect people's lives, and to educate them. >> you know, it's amazing, ana. he had an environment gene, i would say, from a very early age, but cousteau jump-started a more definitive plan, and using cnn, you know, which ted owned, as a major plate form for that. >> as opportunity to education and spread the word. something ted turner has done is reintroduced tens of thousands of bison to his ranchland. how does that work? >> that was the biggest question i h