Ocean with David Attenborough

the entire Amazon rainforest 222 00:27:47,875 --> 00:27:50,294 is trawled every year. 223 00:27:52,087 --> 00:27:55,716 And much of that seabed is plowed again. 224 00:27:56,341 --> 00:27:58,343 Over, and over. 225 00:28:07,769 --> 00:28:11,899 This churning of the sediment unleashes vast 226 00:28:11,982 --> 00:28:14,359 amounts of carbon dioxide, 227 00:28:17,195 --> 00:28:21,283 which in turn contributes to the warming of our planet. 228 00:28:31,501 --> 00:28:35,464 The trawlers tear the seabed with such force that their 229 00:28:35,547 --> 00:28:39,343 trails of destruction can be seen from space. 230 00:29:00,364 --> 00:29:03,575 Very few places are safe from this. 231 00:29:05,661 --> 00:29:09,915 Including almost nowhere in my own country. 232 00:29:25,639 --> 00:29:29,935 We have lived and relied on food from the sea 233 00:29:30,018 --> 00:29:33,730 around the island for over 5,000 years. 234 00:29:36,483 --> 00:29:39,069 Everything is so different under the sea. 235 00:29:41,822 --> 00:29:44,908 There's no houses, no roads, no telephones. 236 00:29:47,536 --> 00:29:51,331 It's just nature, 100%. 237 00:30:01,842 --> 00:30:04,094 When I used to go scallop diving, 238 00:30:04,177 --> 00:30:06,763 you would dive down to the sea bed and 239 00:30:06,847 --> 00:30:09,057 just acclimatize yourself. 240 00:30:18,400 --> 00:30:23,530 Things that look like plants down there are animals, 241 00:30:28,035 --> 00:30:31,163 and they've been there for millions of years. 242 00:30:40,297 --> 00:30:45,177 Slowly but surely, you would see a complete bed of scallops. 243 00:30:50,599 --> 00:30:54,519 It's ancient, can take 100 years to grow. 244 00:31:29,888 --> 00:31:34,184 The first time that I dived over an area that a scallop 245 00:31:34,267 --> 00:31:39,856 dredger had just been over, it was just heartbreaking. 246 00:31:47,030 --> 00:31:50,117 All sorts of animals just smashed to pieces. 247 00:31:51,535 --> 00:31:56,706 It was like swimming over the Garden of Eden to 248 00:31:56,790 --> 00:31:58,667 a nuclear winter. 249 00:32:04,464 --> 00:32:10,303 The community watched from the shore as these boats go 250 00:32:10,387 --> 00:32:14,683 up and down, closer, and closer, 251 00:32:15,851 --> 00:32:22,524 over and over again, just for a few scallops. 252 00:32:31,658 --> 00:32:35,370 The scallop dredgers said, "We have the right to do this, 253 00:32:35,745 --> 00:32:37,664 and it's completely legal." 254 00:32:44,296 --> 00:32:49,843 They were taking the future out of the sea, 255 00:32:50,093 --> 00:32:54,431 and the island community would be left with the wreckage. 256 00:32:58,727 --> 00:33:04,107 A feeling was just of complete disbelief. 257 00:33:07,819 --> 00:33:10,947 How can this be allowed to happen? 258 00:33:22,000 --> 00:33:25,754 It's difficult to try and explain to people just exactly 259 00:33:25,837 --> 00:33:28,131 how abundant it once was here. 260 00:33:30,508 --> 00:33:32,844 Just how much has been lost? 261 00:33:42,020 --> 00:33:45,023 The idea of bulldozing through a pristine, 262 00:33:45,106 --> 00:33:47,192 rainforest causes outrage, 263 00:33:47,901 --> 00:33:50,528 yet we do the equivalent underwater thousands 264 00:33:50,612 --> 00:33:53,073 of times every day. 265 00:33:56,993 --> 00:34:02,374 Ancient seagrass meadows, plowed into silt. 266 00:34:10,840 --> 00:34:14,302 Delicate, 100-year-old sponge gardens, 267 00:34:14,928 --> 00:34:17,847 that once sheltered bustling communities, 268 00:34:23,853 --> 00:34:25,981 destroyed in an instant. 269 00:34:54,259 --> 00:34:58,054 Surely, you would assume it must be illegal? 270 00:34:58,930 --> 00:35:02,517 But it is not only legal, but actually encouraged by 271 00:35:02,601 --> 00:35:04,019 the laws of today. 272 00:35:05,604 --> 00:35:08,898 Bottom trawling is still allowed in many so-called 273 00:35:08,982 --> 00:35:12,152 Marine Protected Areas worldwide. 274 00:35:14,029 --> 00:35:17,157 And perhaps even more astonishingly, 275 00:35:17,282 --> 00:35:19,701 it is subsidized by governments. 276 00:35:20,827 --> 00:35:26,166 $20 billion are spent every year supporting overfishing 277 00:35:26,249 --> 00:35:28,418 on an industrial scale. 278 00:36:13,046 --> 00:36:16,132 Vast factories now travel the seas. 279 00:36:21,096 --> 00:36:24,766 They work day and night. 280 00:36:27,227 --> 00:36:31,606 Further and faster than ever. 281 00:36:33,692 --> 00:36:36,486 It seems nowhere is off-limits. 282 00:36:42,742 --> 00:36:44,828 Even the open ocean. 283 00:37:10,562 --> 00:37:15,900 Lines of baited hooks 50 miles long reel in 284 00:37:15,984 --> 00:37:19,028 millions of sharks every year. 285 00:37:29,539 --> 00:37:34,961 We have now killed two-thirds of all large predatory fish. 286 00:37:41,718 --> 00:37:44,846 Walls of nets hundreds of meters high, 287 00:37:45,930 --> 00:37:47,932 leave few survivors. 288 00:38:00,028 --> 00:38:04,866 Sharks and turtles survived the extinction of