Conservation: Land Versus Sea

http://www.ted.com/talks/greg_stone_saving_the_ocean_one_island_at_a_time.html
One problem brought up on Ted Talks is the lack of conservation. The host opened by telling the audience about his exploration of the ocean at 1800 feet, and his expectation of a beautiful, pristine ocean scene. What he found seemed to change his life. He used different forms of ethos by telling the audience about the trash on the bottom of what should have been an untouched ecosystem. The host introduced a chart showing the time difference between it has taken for ocean conservation to rise compared to the land. He used logos when bringing this chart into one of his arguments that ocean conservation is just as important as that of land. The host  introduces more logos, or logic, when talking about the idea that we may be ignoring the harm we are doing to the ocean because we can't see it like we can see our effects on land. We can't see the trash and debris clogging an ecosystem in the ocean. Although a very small part of his presentation, the host made a strong argument while keeping good appeal to the audience with his professionalism, success, and lack of one-sided statements.