1 00:00:00,560 --> 00:00:04,880 ♪ (music) ♪ 2 00:00:04,880 --> 00:00:08,640 Biodiversity is really how we define our own existence, isn't it? 3 00:00:08,640 --> 00:00:10,240 ♪ (music) ♪ 4 00:00:10,240 --> 00:00:14,040 It's us and say tens of millions of other species 5 00:00:14,040 --> 00:00:15,892 that occupy this planet with us. 6 00:00:15,892 --> 00:00:16,950 ♪ (music) ♪ 7 00:00:16,950 --> 00:00:20,480 It's like there's this incredible web where we're all connected. 8 00:00:20,480 --> 00:00:23,671 And when you start to lose these linchpin species, 9 00:00:24,640 --> 00:00:26,446 the environment starts to fail. 10 00:00:26,446 --> 00:00:28,640 ♪ (dramatic music) ♪ 11 00:00:28,640 --> 00:00:32,868 When we translate human activity into these forces of extinction, 12 00:00:32,868 --> 00:00:33,920 ♪ (dramatic music) ♪ 13 00:00:33,920 --> 00:00:36,859 there are several major factors that are contributing. 14 00:00:36,859 --> 00:00:39,120 ♪ (dramatic music) ♪ 15 00:00:39,120 --> 00:00:41,731 One of the major drivers of extinction 16 00:00:42,640 --> 00:00:47,520 is that we hunt some species to oblivion. 17 00:00:47,520 --> 00:00:50,800 ♪ dramatic (music) ♪ 18 00:00:50,800 --> 00:00:53,166 It's what we're doing with sharks now. 19 00:00:53,166 --> 00:00:57,120 ♪ (dramatic music) ♪ 20 00:00:57,120 --> 00:00:59,749 With the explosion of demand for shark fin soup, 21 00:00:59,749 --> 00:01:00,879 ♪ (dramatic music) ♪ 22 00:01:00,879 --> 00:01:03,120 global estimates for the shark fin trade 23 00:01:03,120 --> 00:01:05,377 put it in the neighborhood of a billion dollars. 24 00:01:06,479 --> 00:01:07,960 It's a huge amount of money. 25 00:01:08,760 --> 00:01:11,127 So sharks are targeted by fleets around the world. 26 00:01:11,840 --> 00:01:14,515 They may simply cut the fins off and then release them 27 00:01:14,515 --> 00:01:17,149 to a slow and very unpleasant death. 28 00:01:18,720 --> 00:01:21,080 Do you keep all the sharks or put the bodies back? 29 00:01:22,666 --> 00:01:24,764 You cut the fin? Then toss. 30 00:01:26,202 --> 00:01:28,640 ♪ (melancholic music) ♪ 31 00:01:28,640 --> 00:01:31,300 We don't actually know how many sharks are in the ocean. 32 00:01:32,240 --> 00:01:35,032 What we do know is that the big sharks, 33 00:01:35,032 --> 00:01:37,654 the apex predator in the open ocean food chain, 34 00:01:38,640 --> 00:01:41,308 their numbers have declined between 90 and 99%. 35 00:01:41,308 --> 00:01:44,949 ♪ (melacholic music) ♪ 36 00:01:44,949 --> 00:01:48,057 Sharks have survived four mass extinction events. 37 00:01:48,057 --> 00:01:51,719 They've been around the planet longer than dinosaurs. 38 00:01:51,719 --> 00:01:52,938 A lot longer. 39 00:01:53,759 --> 00:01:56,375 Sharks have ruled our oceans for over 400 million years. 40 00:01:57,040 --> 00:01:59,619 They've been responsible for regulating and maintaining 41 00:01:59,619 --> 00:02:01,453 the entire balance across our oceans. 42 00:02:02,479 --> 00:02:05,920 Now we're in a situation where sharks are being removed from that system. 43 00:02:05,920 --> 00:02:07,910 ♪ (melancholic music) ♪ 44 00:02:07,910 --> 00:02:12,440 Humans are really the single most impactful species 45 00:02:12,440 --> 00:02:14,064 this planet has ever seen. 46 00:02:14,064 --> 00:02:15,380 ♪ (melancholic music) ♪ 47 00:02:15,380 --> 00:02:19,460 We have these prehistoric brains and we have this god-like technology, 48 00:02:19,460 --> 00:02:21,120 and when you bring them together, 49 00:02:21,120 --> 00:02:23,870 the result is not necessarily a happy one. 50 00:02:23,870 --> 00:02:26,000 ♪ (melancholic music) ♪ 51 00:02:26,000 --> 00:02:29,010 You know, species are like a house of cards. 52 00:02:29,010 --> 00:02:30,319 ♪ (melancholic music) ♪ 53 00:02:30,319 --> 00:02:34,630 You can't just sort of take one card out of the deck 54 00:02:35,760 --> 00:02:37,784 and not expect the deck to crumble. 55 00:02:38,380 --> 00:02:44,699 ♪ (melancholic music) ♪ 56 00:02:44,699 --> 00:02:51,194 ♪ (melancholic music) ♪