[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.56,0:00:04.88,Default,,0000,0000,0000,,[Music]
Dialogue: 0,0:00:04.88,0:00:06.48,Default,,0000,0000,0000,,Biodiversity is really
Dialogue: 0,0:00:06.48,0:00:10.24,Default,,0000,0000,0000,,how we define our own existence, isn't it.
Dialogue: 0,0:00:10.24,0:00:13.20,Default,,0000,0000,0000,,It's us and say tens of millions\Nof other species
Dialogue: 0,0:00:14.40,0:00:17.44,Default,,0000,0000,0000,,that occupy this planet with us.
Dialogue: 0,0:00:17.44,0:00:18.88,Default,,0000,0000,0000,,It's like there's this incredible web
Dialogue: 0,0:00:18.88,0:00:20.48,Default,,0000,0000,0000,,where we're all connected, you know.
Dialogue: 0,0:00:20.48,0:00:22.40,Default,,0000,0000,0000,,You start to lose these linchpin species
Dialogue: 0,0:00:24.64,0:00:28.08,Default,,0000,0000,0000,,the environment starts to fail
Dialogue: 0,0:00:28.64,0:00:31.20,Default,,0000,0000,0000,,when we translate human activity
Dialogue: 0,0:00:31.20,0:00:33.92,Default,,0000,0000,0000,,into these forces of extinction
Dialogue: 0,0:00:33.92,0:00:35.92,Default,,0000,0000,0000,,there are several major factors
Dialogue: 0,0:00:35.92,0:00:38.56,Default,,0000,0000,0000,,that are contributing.
Dialogue: 0,0:00:39.12,0:00:42.64,Default,,0000,0000,0000,,One of the major drivers of extinction
Dialogue: 0,0:00:42.64,0:00:46.16,Default,,0000,0000,0000,,is that we hunt some species to oblivion.
Dialogue: 0,0:00:50.80,0:00:54.64,Default,,0000,0000,0000,,It's what we're doing with sharks now
Dialogue: 0,0:00:57.12,0:00:59.04,Default,,0000,0000,0000,,with the explosion of demand \Nfor shark fin soup.
Dialogue: 0,0:01:00.88,0:01:03.12,Default,,0000,0000,0000,,Global estimates for the shark fin trade
Dialogue: 0,0:01:03.12,0:01:04.88,Default,,0000,0000,0000,,put it in the neighborhood\Nof a billion dollars.
Dialogue: 0,0:01:06.48,0:01:09.36,Default,,0000,0000,0000,,It's a huge amount of money
Dialogue: 0,0:01:09.36,0:01:11.84,Default,,0000,0000,0000,,so sharks are targeted\Nby fleets around the world.
Dialogue: 0,0:01:11.84,0:01:13.60,Default,,0000,0000,0000,,They may simply cut the fins off and\Nthen release them
Dialogue: 0,0:01:15.20,0:01:18.72,Default,,0000,0000,0000,,to a slow and very unpleasant death.
Dialogue: 0,0:01:18.72,0:01:20.40,Default,,0000,0000,0000,,You keep all the sharks \Nor put the bodies back,
Dialogue: 0,0:01:21.84,0:01:27.84,Default,,0000,0000,0000,,done cut them.
Dialogue: 0,0:01:28.64,0:01:30.48,Default,,0000,0000,0000,,We don't actually know how many sharks\Nare in the ocean.
Dialogue: 0,0:01:32.24,0:01:35.12,Default,,0000,0000,0000,,What we do know is that the big sharks,\Nthe apex predator
Dialogue: 0,0:01:36.40,0:01:38.64,Default,,0000,0000,0000,,in the open ocean food chain,
Dialogue: 0,0:01:38.64,0:01:40.80,Default,,0000,0000,0000,,their numbers have declined \Nbetween 90 and 99 percent.
Dialogue: 0,0:01:45.12,0:01:47.28,Default,,0000,0000,0000,,Sharks have survived \Nfour mass exticntion events,
Dialogue: 0,0:01:47.28,0:01:48.96,Default,,0000,0000,0000,,they've been around the planet
Dialogue: 0,0:01:48.96,0:01:51.92,Default,,0000,0000,0000,,longer than dinosaurs,\Na lot longer.
Dialogue: 0,0:01:53.76,0:01:55.20,Default,,0000,0000,0000,,Sharks have ruled our oceans\Nfor over 400 million years.
Dialogue: 0,0:01:57.04,0:01:58.80,Default,,0000,0000,0000,,They've been responsible for regulating
Dialogue: 0,0:01:58.80,0:02:00.16,Default,,0000,0000,0000,,and maintaining the entire balance\Nacross our oceans.
Dialogue: 0,0:02:02.48,0:02:07.92,Default,,0000,0000,0000,,Now we're in a situation where sharks\Nare being removed from that system.
Dialogue: 0,0:02:07.92,0:02:12.48,Default,,0000,0000,0000,,Humans are really the single \Nmost impactful species
Dialogue: 0,0:02:12.48,0:02:15.84,Default,,0000,0000,0000,,this planet has ever seen.
Dialogue: 0,0:02:15.84,0:02:19.92,Default,,0000,0000,0000,,We have these prehistoric brains\Nand we have this god-like technology
Dialogue: 0,0:02:19.92,0:02:21.12,Default,,0000,0000,0000,,and when you bring them together,
Dialogue: 0,0:02:21.12,0:02:23.52,Default,,0000,0000,0000,,the result is not necessarily a happy one.
Dialogue: 0,0:02:26.00,0:02:30.32,Default,,0000,0000,0000,,You know species are like a house of cards
Dialogue: 0,0:02:30.32,0:02:35.76,Default,,0000,0000,0000,,you can't just sort of take one card\Nout of the deck
Dialogue: 0,0:02:35.76,0:02:51.84,Default,,0000,0000,0000,,and not expect the deck to crumble.
Dialogue: 0,0:02:53.68,0:02:55.76,Default,,0000,0000,0000,,You