to capture the ultimate shot of this violent volcano, located on an uninhabited island. what are the changers on a volcano? >> lots of things could go wrong. when the lava shoots out of the crater, it could hit you and you can get burned or a rock, you can get hit in the head. >> the longer you sit around a dangerous place, something bad will happen. >> reporter: leading this indonesian odyssey, jeff mackley. a legend in the business. >> at the moment, i'm about as close as you can get to the volcano. >> reporter: and a lifelong adrenaline junky. >> it's like a drug. when you find something you like, you do it again and again even though it may cause you harm. i think that's how you describe that. that's the goal, down there. five meters. >> reporter: together, these new zealand natives have been to hell and back. >> oh, my god. oh, jesus. >> reporter: cashing in big with breathtaking footage like this. just feet from a chaotic caldron of bubbling lava. >> what did it look like? >> looks like the surface of the sun. it looks like all of my wildest dreams. >> reporter: it

rising sea levels claimed two of its islands, and some predict the island nation could become uninhabitable in the next 30 to 60 years. i welcome to the show the president of kiry bass. he returned from a trip to the antarctic and spoke at ban ki-moon's climate summit. thank you for taking the time to talk to us. >> thank you for giving me this opportunity. >> i want to start with two animal metaphors. both of which you made. you have spoken to how the nation is, effect, canary in a coal mine. yes, indeed, it's our attempt to get the focus of international tanks on our situation. the threat of climate changes is real for us. we are on the front line. we'll be the concept, construct of violence, lying 2 meters above sea level. whatever marginal rise in sea level happens in the next year or so affects us. already we are feeling the effects. the point i make is the international community is waiting for us to be gone, before it would realise that we have to do something about it? >> and to that point the other animal i wanted to refer to is the polar bear. you just, as i said, returned from a

rising sea levels have qlaimed two of the smaller islands and some experts predict it could be uninhabitable in 30-60 years. he spoke at the climate summit. opportunity. you see your nation as an important warning to the rest of the world. >> yes, indeed. it's our attempt to get the focus of international attention on our situation. the threat of climate change is real for us. we are on the front line. because of the environment, we are 2 meter above sea level, and so whatever marginal rise in sea level happens over the next decade or so will effect this. we are feeling the impact, and i think the point i have about being in the cannesaries, is the - canaries, is is the international community waiting for us to be gone before realising something needs to be done about it. >> to that point, the other animal i want to talk about is the polar bear. you returned from a trip to the arctic. it was a green peace trip. you were upset. you think people have paid attention to what is happening to polar bears, more than what is happening to 100,000 people that live in kiribati. >> i made the statement