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Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated: 1 00:00:02,000 --> 00:00:07,000 Downloaded from YTS.MX 2 00:00:08,000 --> 00:00:13,000 Official YIFY movies site: YTS.MX 3 00:00:13,388 --> 00:00:15,599 Well, 16, the launch team wishes you... 4 00:00:15,766 --> 00:00:17,059 ...good luck and Godspeed. 5 00:00:17,976 --> 00:00:21,146 We appreciate that, and we can't do without you. 6 00:00:26,777 --> 00:00:28,111 Launch commit and liftoff. 7 00:00:28,278 --> 00:00:30,531 We have a launch commit, and we have a liftoff. 8 00:00:30,697 --> 00:00:33,951 The swing arm is moving back. We've cleared the tower. 9 00:00:34,159 --> 00:00:35,702 Roger, cleared the tower. 10 00:00:35,869 --> 00:00:37,955 Houston is now controlling. 11 00:00:46,088 --> 00:00:50,342 Not so long ago, we left our Earth for the first time... 12 00:00:50,843 --> 00:00:54,304 ...to explore a neighboring world in the solar system. 13 00:00:57,391 --> 00:01:00,894 Well, Houston, Sweet 16 has arrived. 14 00:01:01,228 --> 00:01:03,313 Roger, 16, copy you loud and clear. 15 00:01:03,480 --> 00:01:06,066 We found a fascinating place... 16 00:01:06,483 --> 00:01:08,902 ...but barren and lifeless. 17 00:01:09,152 --> 00:01:12,030 We've stopped, and let's take a gander around... 18 00:01:12,823 --> 00:01:14,700 ...and see which way we ought to head. 19 00:01:14,867 --> 00:01:17,870 Dave, if we could make it out that far, directly ahead of us. 20 00:01:18,036 --> 00:01:20,163 Look at those large blocks. 21 00:01:21,081 --> 00:01:24,001 You mean as we come down the slope, yeah, at 12 o'clock. 22 00:01:24,168 --> 00:01:26,879 One sight stood out from all the others. 23 00:01:28,255 --> 00:01:31,341 When we looked back across the moon's horizon... 24 00:01:31,717 --> 00:01:34,803 ...we saw the Earth, our home... 25 00:01:35,512 --> 00:01:37,389 ...a tiny oasis... 26 00:01:37,598 --> 00:01:40,809 ...beckoning across all those miles of empty space. 27 00:01:41,518 --> 00:01:43,854 I'll tell you, it looks beautiful going away... 28 00:01:44,021 --> 00:01:46,523 ...and it'll look even better coming back. 29 00:02:22,851 --> 00:02:25,229 To look at our Earth from the outside... 30 00:02:25,395 --> 00:02:28,232 ...is to discover an entirely new planet. 31 00:02:30,567 --> 00:02:32,903 We can see familiar landforms... 32 00:02:33,070 --> 00:02:35,531 ...like Florida and the Bahamas. 33 00:02:36,949 --> 00:02:39,159 But what's most striking from space... 34 00:02:39,326 --> 00:02:40,911 ...is that our world... 35 00:02:41,078 --> 00:02:43,455 ...unlike any other we know of... 36 00:02:43,622 --> 00:02:45,457 ...is a world of water. 37 00:02:46,625 --> 00:02:49,294 Two-thirds of it is covered by ocean... 38 00:02:49,461 --> 00:02:52,589 ...glistening in layers of blue and turquoise... 39 00:02:52,756 --> 00:02:55,425 ...through a delicate filigree of cloud. 40 00:02:59,471 --> 00:03:02,683 All of it is wrapped in a thin layer of air... 41 00:03:03,684 --> 00:03:06,270 ...shielding its surface from the harsh radiation... 42 00:03:06,436 --> 00:03:08,564 ...and cold vacuum of space. 43 00:03:11,525 --> 00:03:14,194 If it weren't for this fragile cocoon... 44 00:03:14,444 --> 00:03:17,865 ...our beautiful planet would be as dry and lifeless... 45 00:03:18,031 --> 00:03:21,076 ...as our nearest neighbors in the solar system. 46 00:03:27,374 --> 00:03:30,294 Mars has only a feeble atmosphere. 47 00:03:30,711 --> 00:03:33,297 It's locked in a permanent ice age. 48 00:03:36,633 --> 00:03:39,636 Venus, under a very dense atmosphere... 49 00:03:39,803 --> 00:03:41,638 ...is hotter than an oven. 50 00:03:42,639 --> 00:03:44,600 Nothing could live here. 51 00:03:45,726 --> 00:03:47,311 As far as we know... 52 00:03:47,728 --> 00:03:50,189 ...only the Earth can support life. 53 00:03:54,026 --> 00:03:56,236 To learn more about the unique environment... 54 00:03:56,403 --> 00:03:58,989 ...which makes life possible here on Earth... 55 00:03:59,740 --> 00:04:02,784 ...we're now returning to space, in a variety of craft. 56 00:04:03,869 --> 00:04:06,580 We call this: "Mission to Planet Earth." 57 00:04:35,567 --> 00:04:37,611 Shannon, come on up! 58 00:04:38,362 --> 00:04:39,488 This is great. 59 00:04:39,655 --> 00:04:43,534 Only a few hundred people have actually seen the Earth from space. 60 00:04:43,700 --> 00:04:44,826 Look at that. 61 00:04:44,993 --> 00:04:47,162 Here, we can see it as a whole. 62 00:04:56,505 --> 00:04:58,382 Floating beneath us... 63 00:04:58,549 --> 00:05:00,801 ...Sri Lanka and India. 64 00:05:02,594 --> 00:05:05,055 But now we also see a planet... 65 00:05:05,222 --> 00:05:08,809 ...bathed in the light of a nearby star: the Sun. 66 00:05:11,436 --> 00:05:14,064 Ours is a world of constant change... 67 00:05:15,065 --> 00:05:18,861 ...shaped and reshaped by nature's powerful forces. 68 00:05:21,947 --> 00:05:25,450 Its blueness came out of the Earth itself. 69 00:05:27,202 --> 00:05:30,873 The ancient oceans were steamed out of the interior... 70 00:05:31,039 --> 00:05:32,749 ...by erupting volcanoes. 71 00:05:34,585 --> 00:05:38,422 We know this one as the Big Island of Hawaii. 72 00:05:43,927 --> 00:05:47,014 Now whole continents appear. 73 00:05:48,265 --> 00:05:50,100 Europe is on the left. 74 00:05:51,393 --> 00:05:54,271 Stretching beyond Gibraltar to the horizon... 75 00:05:54,646 --> 00:05:56,607 ...the Mediterranean Sea. 76 00:05:59,193 --> 00:06:01,528 On the right: Africa. 77 00:06:11,955 --> 00:06:14,082 Deep in the heart of Africa... 78 00:06:14,249 --> 00:06:17,669 ...we come upon a land of forests, lakes, and rivers. 79 00:06:20,547 --> 00:06:22,716 We're crossing over Lake Victoria... 80 00:06:22,883 --> 00:06:25,260 ...and the broad plain of the Serengeti. 81 00:06:31,642 --> 00:06:33,310 Here, beneath us... 82 00:06:33,477 --> 00:06:37,147 ...our planet's systems of water, earth and air... 83 00:06:37,481 --> 00:06:39,650 ...interact to sustain life. 84 00:06:45,489 --> 00:06:48,450 To observe this complex environment more closely... 85 00:06:49,451 --> 00:06:53,580 ...we'll drop down to the surface of the strange red lake below. 86 00:07:01,672 --> 00:07:03,674 This is Lake Natron. 87 00:07:05,300 --> 00:07:08,303 It's hard to believe any life could exist here. 88 00:07:09,429 --> 00:07:13,267 But, in fact, the lurid color is the life itself. 89 00:07:14,518 --> 00:07:18,647 The water is teeming with red algae that feed on white soda... 90 00:07:18,814 --> 00:07:20,858 ...from nearby volcanoes. 91 00:07:24,778 --> 00:07:28,824 Ash, spewing from these volcanoes for millions of years... 92 00:07:29,449 --> 00:07:32,703 ...nourished the great grasslands of the Serengeti... 93 00:07:33,036 --> 00:07:35,998 ...where a wondrous array of species evolved. 94 00:07:44,423 --> 00:07:47,384 Each depends in some way upon the others. 95 00:07:53,515 --> 00:07:56,727 Every link between animals and plants... 96 00:07:57,019 --> 00:08:01,273 ...is a strand in the rich fabric of life on Earth. 97 00:08:17,956 --> 00:08:20,876 Of all the creatures that evolved in Africa... 98 00:08:21,835 --> 00:08:23,962 ...only one stood upright. 99 00:08:25,255 --> 00:08:28,091 Only one developed tools and language. 100 00:08:30,344 --> 00:08:32,179 For about a million years... 101 00:08:32,346 --> 00:08:34,640 ...humans were hunters and gatherers. 102 00:08:36,558 --> 00:08:38,644 Then we discovered farming. 103 00:08:42,940 --> 00:08:46,109 Now the same land could support many more people. 104 00:08:47,778 --> 00:08:51,990 But without the Earth's life-support system of water and air... 105 00:08:52,950 --> 00:08:55,369 ...not a living thing could exist. 106 00:09:00,749 --> 00:09:03,168 Two hundred miles above the Earth... 107 00:09:03,335 --> 00:09:05,087 ...there is no air. 108 00:09:07,714 --> 00:09:10,342 This astronaut must wear a space suit. 109 00:09:10,968 --> 00:09:13,470 It supplies the oxygen he needs... 110 00:09:13,637 --> 00:09:17,474 ...and insulates his body from extreme heat and cold. 111 00:09:22,229 --> 00:09:26,483 Inside, the orbiter functions somewhat like a miniature Earth. 112 00:09:27,985 --> 00:09:32,364 The environment is carefully balanced to keep the astronauts comfortable. 113 00:09:33,824 --> 00:09:36,285 One system controls the temperature. 114 00:09:37,369 --> 00:09:39,454 Another supplies oxygen. 115 00:09:43,167 --> 00:09:44,209 On Earth... 116 00:09:44,376 --> 00:09:48,422 ...the forests and oceans absorb the carbon dioxide we exhale. 117 00:09:50,007 --> 00:09:54,178 In space, the crew uses special canisters to clean the air. 118 00:09:55,304 --> 00:09:59,558 For a short time, this artificial system supplies to the astronauts... 119 00:09:59,975 --> 00:10:03,061 ...what the Earth has always provided for us. 120 00:10:04,688 --> 00:10:08,192 Its natural systems slowly recycle the air... 121 00:10:08,358 --> 00:10:10,736 ...the water, and even the rock. 122 00:10:13,363 --> 00:10:14,740 In one cycle... 123 00:10:14,907 --> 00:10:19,453 ...heat from the sun evaporates water from the ocean to form clouds. 124 00:10:21,079 --> 00:10:23,499 Winds drive the clouds over land. 125 00:10:25,751 --> 00:10:28,545 Rain from the clouds falls back to the Earth... 126 00:10:28,795 --> 00:10:31,006 ...and then runs down to the sea... 127 00:10:31,173 --> 00:10:33,550 ...where the cycle begins once more. 128 00:10:38,889 --> 00:10:42,017 Heat stored in the clouds can drive them upwards... 129 00:10:42,184 --> 00:10:44,853 ...into towering thunderheads. 130 00:10:45,020 --> 00:10:48,565 Inside them, powerful electric charges are building. 131 00:11:33,402 --> 00:11:36,238 You can see lightning on Earth from space. 132 00:11:36,905 --> 00:11:38,907 Astronaut Charlie Bolden: 133 00:11:39,992 --> 00:11:42,953 Probably my favorite spectacular view is nighttime... 134 00:11:43,287 --> 00:11:45,414 ...watching lightning all over the Earth... 135 00:11:45,581 --> 00:11:48,083 ...as it goes from cloud top to cloud top... 136 00:11:48,250 --> 00:11:49,835 ...over hundreds of miles. 137 00:11:50,002 --> 00:11:52,963 Almost as if somebody is conducting an orchestra, you know... 138 00:11:53,130 --> 00:11:56,258 ...and the light is flashing in response to the music and everything. 139 00:11:56,425 --> 00:11:59,469 You float up in the window and look for long periods of time... 140 00:11:59,636 --> 00:12:02,764 ...in amazement at what's going on down there. 141 00:12:08,520 --> 00:12:11,315 In places where there is a lot of rainfall... 142 00:12:11,481 --> 00:12:14,026 ...an abundance of life springs forth. 143 00:12:16,028 --> 00:12:20,324 The plants produce oxygen which we and the other animals breathe. 144 00:12:24,536 --> 00:12:27,539 Life on Earth is easy to see from space. 145 00:12:28,457 --> 00:12:31,168 Costa Rica and Panama are green with it. 146 00:12:40,135 --> 00:12:43,514 But other places in the world get almost no rain. 147 00:12:45,182 --> 00:12:49,228 In the Namib Desert, only wind has shaped the surface... 148 00:12:49,811 --> 00:12:54,191 ...sweeping the parched sand into dunes nearly 1000 feet high. 149 00:12:59,780 --> 00:13:02,074 In some of the driest deserts... 150 00:13:02,241 --> 00:13:06,662 ...people have drilled for water trapped in the rocks deep below the sand. 151 00:13:09,456 --> 00:13:13,126 Each one of these tiny circles is an irrigated field... 152 00:13:13,544 --> 00:13:15,671 ...half a mile in diameter. 153 00:13:18,215 --> 00:13:20,425 But this is a short-term gain. 154 00:13:20,634 --> 00:13:24,012 It will take only 50 years to use up all the water... 155 00:13:24,388 --> 00:13:27,349 ...but more than 10,000 years to replace it. 156 00:13:33,063 --> 00:13:35,732 In some regions, like the Sahara... 157 00:13:36,233 --> 00:13:41,154 ...the amount of rainfall can change drastically within a single generation. 158 00:13:42,155 --> 00:13:45,367 When we started looking at Lake Chad from space... 159 00:13:45,659 --> 00:13:47,911 ...we saw that it was shrinking. 160 00:13:48,745 --> 00:13:50,414 Soon a wave of droughts... 161 00:13:50,581 --> 00:13:53,667 ...brought starvation to the people living here. 162 00:13:56,253 --> 00:13:59,173 We don't know why these local changes occur... 163 00:13:59,840 --> 00:14:02,593 ...but we do know that the Earth's climate, as a whole... 164 00:14:02,759 --> 00:14:05,387 ...has changed over much longer periods. 165 00:14:09,016 --> 00:14:11,310 During the last million years... 166 00:14:11,476 --> 00:14:15,522 ...great sheets of ice advanced and retreated several times... 167 00:14:15,772 --> 00:14:19,026 ...burying Northern Europe and much of North America. 168 00:14:23,780 --> 00:14:26,408 This is the Hubbard Glacier in Alaska. 169 00:14:43,383 --> 00:14:46,386 Trapped deep inside these frozen walls... 170 00:14:46,637 --> 00:14:48,722 ...is a record of climate change... 171 00:14:48,889 --> 00:14:51,266 ...going back thousands of years. 172 00:14:59,441 --> 00:15:02,319 By analyzing samples of the ancient ice... 173 00:15:02,486 --> 00:15:05,656 ...we may learn to predict our future climate. 174 00:15:11,203 --> 00:15:13,163 Ten thousand years from now... 175 00:15:13,413 --> 00:15:17,042 ...perhaps the sites of Montreal, Detroit, and Copenhagen... 176 00:15:17,209 --> 00:15:20,212 ...will again lie buried beneath a mile of ice. 177 00:15:25,425 --> 00:15:27,511 And it's moving. Looks good. 178 00:15:27,970 --> 00:15:30,848 To observe large-scale changes on the Earth... 179 00:15:31,014 --> 00:15:32,683 ...we use satellites. 180 00:15:34,226 --> 00:15:37,020 The TDR satellite will act as a relay... 181 00:15:37,187 --> 00:15:39,857 ...linking scientists with dozens of spacecraft... 182 00:15:40,023 --> 00:15:42,276 ...watching different parts of the globe. 183 00:15:42,442 --> 00:15:44,903 Kathy, it looked like we had a good deploy on time. 184 00:15:45,070 --> 00:15:46,572 Everything looks good. 185 00:15:46,738 --> 00:15:48,740 Some study ocean currents. 186 00:15:49,658 --> 00:15:51,952 Others monitor the health of crops. 187 00:15:52,953 --> 00:15:55,581 They also warn us when storms develop. 188 00:16:01,795 --> 00:16:03,172 Of all the storms... 189 00:16:03,338 --> 00:16:06,884 ...the most dangerous and unpredictable are hurricanes. 190 00:16:08,427 --> 00:16:10,387 Without help from satellites... 191 00:16:10,554 --> 00:16:13,974 ...we could not prepare ourselves for the onslaught. 192 00:16:26,403 --> 00:16:28,780 We are under a hurricane warning. 193 00:16:29,072 --> 00:16:33,660 Officials of Civil Defense are advising voluntary evacuation... 194 00:16:33,952 --> 00:16:35,996 ...of the Berry Islands. 195 00:17:21,124 --> 00:17:24,711 Hurricane Hugo, after ravaging Puerto Rico... 196 00:17:25,254 --> 00:17:27,339 ...tore into South Carolina. 197 00:17:28,590 --> 00:17:33,303 What was once a national forest is now a heap of kindling. 198 00:17:36,974 --> 00:17:41,270 Where once there was a house, only the front steps remain. 199 00:17:53,532 --> 00:17:54,825 Overnight... 200 00:17:54,992 --> 00:17:58,829 ...nature's fury has devastated entire communities. 201 00:18:04,835 --> 00:18:07,254 But then, as quickly as it struck... 202 00:18:07,421 --> 00:18:08,755 ...the storm vanishes... 203 00:18:08,922 --> 00:18:11,675 ...and the Eastern seaboard is calm once more. 204 00:18:12,718 --> 00:18:16,680 There are, however, other catastrophic events affecting our planet. 205 00:18:18,724 --> 00:18:21,518 They are far more violent than any storm. 206 00:18:27,524 --> 00:18:32,196 The Earth is continually pelted by a hail of objects from space. 207 00:18:32,821 --> 00:18:35,741 Most are tiny and burn up in the atmosphere. 208 00:18:37,034 --> 00:18:40,037 But, every now and then, a big one gets through. 209 00:18:41,705 --> 00:18:45,501 Some 30,000 years ago, a piece of an asteroid... 210 00:18:45,667 --> 00:18:48,504 ...weighing perhaps 300,000 tons... 211 00:18:48,670 --> 00:18:50,422 ...slammed into Arizona. 212 00:18:51,548 --> 00:18:55,344 It blasted out a crater almost 600 feet deep. 213 00:18:56,553 --> 00:18:59,348 As collisions go, it was a small one. 214 00:19:13,529 --> 00:19:18,033 From space, we can see the scars from much bigger impacts on Earth. 215 00:19:18,575 --> 00:19:21,411 This one in Canada is 60 miles across. 216 00:19:24,248 --> 00:19:28,418 The effects of a similar collision may have wiped out the dinosaurs. 217 00:19:32,506 --> 00:19:36,426 The young Earth was once completely covered by impact craters. 218 00:19:36,844 --> 00:19:38,762 But most of them have been erased... 219 00:19:38,929 --> 00:19:42,975 ...by the powerful forces which keep changing the face of our planet. 220 00:19:46,019 --> 00:19:47,771 From orbit, we see evidence... 221 00:19:47,938 --> 00:19:51,608 ...for the most astonishing geological discovery of our time. 222 00:19:52,276 --> 00:19:56,780 The Earth's crust is broken into about a dozen moving plates. 223 00:19:59,032 --> 00:20:02,035 Here, a giant crack extends out to the right... 224 00:20:02,202 --> 00:20:05,122 ...from the Sinai Peninsula through the Dead Sea. 225 00:20:08,625 --> 00:20:10,127 In a closer view... 226 00:20:10,294 --> 00:20:13,547 ...you can see how the Sinai, shaped like a triangle... 227 00:20:13,839 --> 00:20:17,217 ...has wrenched away from Saudi Arabia, on the far right. 228 00:20:20,679 --> 00:20:24,808 The rift that opened between them lies under the Gulf of Aqaba. 229 00:20:30,981 --> 00:20:33,650 Most of the rifts are on the sea floor. 230 00:20:42,659 --> 00:20:46,371 To search for them, we need vehicles similar to spaceships. 231 00:20:53,337 --> 00:20:56,173 We are on a journey, 2 miles down... 232 00:20:56,340 --> 00:20:58,717 ...to the very bottom of the ocean. 233 00:21:01,386 --> 00:21:05,182 We will enter a world that has never seen sunlight. 234 00:21:07,643 --> 00:21:11,813 And yet, the ocean floor is alive with exotic creatures. 235 00:21:21,573 --> 00:21:23,951 They thrive on nutrients in the water... 236 00:21:24,117 --> 00:21:27,663 ...which is heated by the Earth's great furnace beneath. 237 00:21:33,293 --> 00:21:36,839 Here in mid-ocean, at the boundary between two plates... 238 00:21:37,256 --> 00:21:40,175 ...molten rock pushes up from the interior. 239 00:21:41,969 --> 00:21:45,347 These lava chimneys are actually miniature volcanoes. 240 00:21:49,268 --> 00:21:52,563 Just as one of the Earth's systems recycles water... 241 00:21:53,230 --> 00:21:55,315 ...another recycles rock. 242 00:21:56,817 --> 00:21:59,778 As new crust is added to the Earth's surface here... 243 00:21:59,945 --> 00:22:03,907 ...the other edge of the plate, perhaps thousands of miles away... 244 00:22:04,324 --> 00:22:06,994 ...sinks back into the Earth's interior. 245 00:22:07,744 --> 00:22:08,954 As it melts... 246 00:22:09,872 --> 00:22:11,874 ...volcanoes erupt. 247 00:22:19,423 --> 00:22:22,759 This is Sakura-jima Volcano in Japan. 248 00:22:24,052 --> 00:22:27,306 You can see its smoke all the way from space. 249 00:22:53,957 --> 00:22:57,794 Here, two great plates are slowly crushing together... 250 00:22:58,128 --> 00:23:00,255 ...pushing up the Himalayas... 251 00:23:00,631 --> 00:23:03,217 ...the highest mountain range on Earth. 252 00:23:05,928 --> 00:23:08,889 From just beneath us, the snow-capped peaks... 253 00:23:09,056 --> 00:23:13,143 ...stretch over 1000 miles towards the horizon on the left. 254 00:23:28,242 --> 00:23:31,411 Almost all of North America, here on the right... 255 00:23:31,662 --> 00:23:33,831 ...lies upon a single plate. 256 00:23:34,998 --> 00:23:38,836 On the left, the Pacific plate is sliding northward past it... 257 00:23:39,628 --> 00:23:42,798 ...at the stately pace of a half-inch per year. 258 00:23:44,216 --> 00:23:46,927 The Gulf of California, in the center... 259 00:23:47,094 --> 00:23:49,805 ...marks the boundary between the two plates. 260 00:23:50,514 --> 00:23:52,182 Along this boundary... 261 00:23:52,474 --> 00:23:55,644 ...the infamous San Andreas Fault runs northward. 262 00:23:57,020 --> 00:23:58,981 Using satellite pictures... 263 00:23:59,147 --> 00:24:03,527 ...a computer can take us on an imaginary flight along the San Andreas. 264 00:24:05,237 --> 00:24:08,365 The actual height of the terrain has been exaggerated... 265 00:24:08,532 --> 00:24:12,786 ...to accent the network of valleys formed by the fault's many traces. 266 00:24:45,068 --> 00:24:47,738 As the two plates slide past one another... 267 00:24:47,905 --> 00:24:50,199 ...they lock together in some places. 268 00:24:51,283 --> 00:24:53,160 The strain builds. 269 00:25:07,758 --> 00:25:11,553 Near San Francisco, the strain reaches the breaking point. 270 00:25:12,763 --> 00:25:14,598 Something has to give... 271 00:25:15,182 --> 00:25:18,852 ...and when it does, we are rocked by an earthquake. 272 00:25:22,147 --> 00:25:24,066 Magnified by the computer... 273 00:25:24,233 --> 00:25:27,945 ...first a sharp wave, traveling at 10,000 miles an hour... 274 00:25:28,111 --> 00:25:30,072 ...moves out from the epicenter. 275 00:25:31,031 --> 00:25:33,784 Then comes a series of rolling waves. 276 00:25:34,117 --> 00:25:36,620 These inflict most of the damage. 277 00:25:45,546 --> 00:25:49,633 It is impossible to know yet how many more fatalities there are... 278 00:25:50,050 --> 00:25:54,221 ...following this earthquake, which hit at 5:04 yesterday, in the middle of rush hour. 279 00:25:54,388 --> 00:25:58,517 The earliest efforts to rescue came last night from all sorts of people: 280 00:25:59,017 --> 00:26:01,979 Cops, firemen, people right here in the neighborhood... 281 00:26:02,145 --> 00:26:05,107 ...who risked their lives to rescue strangers. 282 00:26:12,114 --> 00:26:14,074 Everything started shaking. 283 00:26:14,241 --> 00:26:16,827 I started running. I didn't know where to run... 284 00:26:16,994 --> 00:26:18,996 ...because I was getting too scared. 285 00:26:19,163 --> 00:26:22,833 And my mom couldn't get me because the floor was moving too hard. 286 00:26:24,626 --> 00:26:28,338 Some buildings, though still standing, had to be demolished. 287 00:26:45,522 --> 00:26:49,276 In time, the houses and highways are rebuilt... 288 00:26:49,693 --> 00:26:53,030 ...better designed to withstand the next earthquake. 289 00:26:54,531 --> 00:26:58,535 People will always be subject to nature's powerful whims. 290 00:27:03,874 --> 00:27:06,502 In Japan, another fault zone... 291 00:27:06,877 --> 00:27:09,630 ...millions live with the same uncertainty. 292 00:27:18,388 --> 00:27:20,974 One day, almost certainly... 293 00:27:21,558 --> 00:27:23,852 ...we'll learn to predict earthquakes. 294 00:27:26,813 --> 00:27:29,858 But in the meantime, we try to live in harmony... 295 00:27:30,025 --> 00:27:32,528 ...with our sometimes turbulent planet. 296 00:27:33,820 --> 00:27:38,116 After each assault, we pick up the pieces and carry on. 297 00:27:44,456 --> 00:27:48,418 And sometimes, we wonder if there could be any other place... 298 00:27:48,585 --> 00:27:51,088 ...as wonderful in all the universe. 299 00:28:15,112 --> 00:28:17,156 But now, a new force... 300 00:28:17,573 --> 00:28:20,117 ...as threatening as any in nature... 301 00:28:20,325 --> 00:28:22,911 ...has begun to change the Earth. 302 00:28:23,745 --> 00:28:25,998 We are that force. 303 00:28:28,458 --> 00:28:31,628 To our ancestors, only a few centuries ago... 304 00:28:32,254 --> 00:28:34,965 ...the forests, oceans, and skies... 305 00:28:35,132 --> 00:28:37,801 ...seemed vast and almost limitless. 306 00:28:38,635 --> 00:28:40,637 But all that has changed. 307 00:28:42,097 --> 00:28:44,850 It is only now that we can see it from space... 308 00:28:45,017 --> 00:28:49,188 ...that we realize the magnitude of what we are doing to the Earth. 309 00:28:54,610 --> 00:28:59,281 As settlers cleared land to create the great farms of the American Midwest... 310 00:29:00,157 --> 00:29:04,328 ...more and more valuable topsoil eroded into the Mississippi. 311 00:29:06,497 --> 00:29:09,333 Flowing southward down this great river... 312 00:29:09,625 --> 00:29:12,127 ...the silt is carrying pesticides. 313 00:29:12,836 --> 00:29:15,672 They are pouring into the Gulf of Mexico. 314 00:29:18,550 --> 00:29:20,469 The Yangtze River in China... 315 00:29:20,636 --> 00:29:24,473 ...is a natural conveyor belt for soil from the plateau above it. 316 00:29:25,557 --> 00:29:29,686 Now it doubles as a dump for sewage and industrial wastes. 317 00:29:32,147 --> 00:29:36,693 But an island far away has become the most eroded place on Earth. 318 00:29:39,196 --> 00:29:43,033 Madagascar was once cloaked in lush forest. 319 00:29:44,076 --> 00:29:47,329 Now loggers and farmers have cut most of it down. 320 00:29:48,914 --> 00:29:51,875 With nothing to cling to, the thin red soil... 321 00:29:52,042 --> 00:29:55,754 ...has washed down the mountain slopes into the Betsiboka River... 322 00:29:56,004 --> 00:29:58,215 ...choking its mouth completely. 323 00:30:03,053 --> 00:30:05,305 Off the coast of South America... 324 00:30:05,472 --> 00:30:08,475 ...the Atlantic is awash with brown sediment... 325 00:30:08,642 --> 00:30:11,520 ...pouring out from the Orinoco and the Amazon. 326 00:30:13,772 --> 00:30:18,694 Upriver, lies the largest continuous rainforest in the world. 327 00:30:28,912 --> 00:30:33,458 This is home to nearly half of all the species found on Earth. 328 00:30:34,960 --> 00:30:37,296 They are sheltered from sun and wind... 329 00:30:37,462 --> 00:30:39,673 ...by its great moist canopy. 330 00:30:41,466 --> 00:30:44,428 People depend upon the rainforest for food... 331 00:30:44,678 --> 00:30:47,598 ...and the rare medicines its plants produce. 332 00:31:02,112 --> 00:31:05,282 Like those who settled Europe and North America... 333 00:31:05,616 --> 00:31:09,953 ...people in search of a better life are clearing the land for farming. 334 00:31:11,288 --> 00:31:14,875 The cut trees are left to dry, then burned. 335 00:31:43,654 --> 00:31:46,907 Almost one acre of tropical rainforest... 336 00:31:47,157 --> 00:31:49,326 ...is destroyed every second. 337 00:31:56,750 --> 00:32:01,296 Some 100 species, most of which we've never even seen... 338 00:32:01,713 --> 00:32:04,508 ...are driven to extinction every day... 339 00:32:04,675 --> 00:32:06,969 ...lost to the planet forever. 340 00:32:11,515 --> 00:32:13,267 In destroying them... 341 00:32:13,433 --> 00:32:16,395 ...we are tampering with the fabric of life... 342 00:32:16,854 --> 00:32:20,524 ...cutting the very strands that bind us all together. 343 00:32:27,781 --> 00:32:31,618 Only from space can you see how much is burning. 344 00:32:33,453 --> 00:32:37,457 The smoke spreads thousands of miles across to the Andes Mountains. 345 00:32:40,210 --> 00:32:43,463 Soon we will see roads here, then farms. 346 00:32:43,964 --> 00:32:45,883 Towns will expand to cities. 347 00:32:55,225 --> 00:32:58,270 Eight million people live here in Los Angeles. 348 00:33:01,481 --> 00:33:04,735 Six million vehicles and thousands of factories... 349 00:33:04,902 --> 00:33:06,987 ...release chemicals into the atmosphere. 350 00:33:07,154 --> 00:33:10,157 This is the West Coast Air Quality Management District... 351 00:33:10,324 --> 00:33:14,244 ...with an air quality update for the Los Angeles and Orange Counties. 352 00:33:14,411 --> 00:33:17,915 We're suggesting that persons with heart or respiratory diseases... 353 00:33:18,081 --> 00:33:20,417 ...should reduce physical activity. 354 00:33:21,043 --> 00:33:23,962 Smog permeates the air we breathe. 355 00:33:28,217 --> 00:33:31,220 Not only are we polluting our air... 356 00:33:31,386 --> 00:33:34,181 ...we may also be altering our climate. 357 00:33:40,103 --> 00:33:41,522 Around the globe... 358 00:33:41,688 --> 00:33:46,360 ...cars and factories belch huge amounts of carbon dioxide into the air... 359 00:33:47,110 --> 00:33:50,906 ...faster than our oceans and depleted forests can absorb it. 360 00:34:05,045 --> 00:34:09,299 Our numbers are increasing by nearly 100 million every year. 361 00:34:11,134 --> 00:34:13,136 We consume enough energy... 362 00:34:13,303 --> 00:34:15,722 ...to be visible all the way from space. 363 00:34:17,975 --> 00:34:21,812 There are now more than 5 billion of us spread across the Earth. 364 00:34:22,729 --> 00:34:25,774 In this satellite view, you can see the continents... 365 00:34:25,941 --> 00:34:29,319 ...outlined by the lights of the great coastal cities. 366 00:34:30,904 --> 00:34:32,614 In North America. 367 00:34:37,161 --> 00:34:39,121 In Europe and in Asia. 368 00:34:41,832 --> 00:34:44,168 But our planet does have limits. 369 00:34:44,835 --> 00:34:48,505 The carbon dioxide and other greenhouse gases we produce... 370 00:34:48,672 --> 00:34:50,507 ...act like a blanket... 371 00:34:51,008 --> 00:34:54,011 ...trapping the sun's heat inside our atmosphere. 372 00:34:55,971 --> 00:34:59,474 Beneath it, the Earth's temperature may be rising. 373 00:35:00,851 --> 00:35:02,436 Without intending it... 374 00:35:02,603 --> 00:35:06,190 ...we are now conducting an uncontrolled experiment... 375 00:35:06,356 --> 00:35:08,817 ...on the Earth's life-support system... 376 00:35:08,984 --> 00:35:11,820 ...and we cannot predict the consequences. 377 00:35:15,032 --> 00:35:17,242 But already there are clues. 378 00:35:19,536 --> 00:35:22,706 High in the stratosphere, a thin layer of ozone... 379 00:35:22,873 --> 00:35:26,335 ...shields us from the sun's deadly ultraviolet rays. 380 00:35:28,045 --> 00:35:30,214 You can't see the ozone... 381 00:35:30,380 --> 00:35:32,674 ...but our satellites and other instruments... 382 00:35:32,841 --> 00:35:36,053 ...have detected a hole bigger than Europe... 383 00:35:36,220 --> 00:35:38,555 ...in the ozone over Antarctica. 384 00:35:41,767 --> 00:35:43,602 We have created the hole... 385 00:35:43,769 --> 00:35:46,855 ...with chemicals we use in our everyday lives. 386 00:35:50,442 --> 00:35:53,821 Faced with this evidence, the nations of the world... 387 00:35:54,112 --> 00:35:57,658 ...recently agreed to restrict and eventually ban... 388 00:35:57,825 --> 00:35:59,910 ...production of those chemicals. 389 00:36:02,079 --> 00:36:04,164 Looking out past the shuttle's tail... 390 00:36:04,331 --> 00:36:06,124 ...astronaut Jim Buchli: 391 00:36:07,417 --> 00:36:09,753 Look at how thin the atmosphere is. 392 00:36:09,920 --> 00:36:12,422 Everything beyond that thin blue line... 393 00:36:12,840 --> 00:36:14,758 ...is the void of space. 394 00:36:15,092 --> 00:36:18,804 And everything below it is what it takes to sustain life. 395 00:36:20,264 --> 00:36:22,432 And everything that we do... 396 00:36:22,891 --> 00:36:24,893 ...to this environment... 397 00:36:25,269 --> 00:36:27,354 ...and our quality of life... 398 00:36:27,938 --> 00:36:30,107 ...is below that little thin blue line. 399 00:36:30,274 --> 00:36:32,860 That's the only difference between... 400 00:36:33,610 --> 00:36:36,572 ...what we enjoy here on Earth... 401 00:36:36,738 --> 00:36:40,033 ...and the really harsh, uninhabitable... 402 00:36:40,784 --> 00:36:42,828 ...blackness of space. 403 00:36:44,746 --> 00:36:46,832 That's not very wide, is it? 404 00:36:56,300 --> 00:36:58,677 Our world is a special place... 405 00:36:58,927 --> 00:37:01,763 ...where millions of species coexist... 406 00:37:02,806 --> 00:37:06,602 ...each one an integral part of our planet's fabric. 407 00:37:11,231 --> 00:37:14,568 What we do will determine their fate... 408 00:37:15,569 --> 00:37:16,945 ...and ours. 409 00:37:18,739 --> 00:37:21,658 We can undo the damage we have caused. 410 00:37:56,109 --> 00:37:59,863 The Earth we inherited can again be a garden... 411 00:38:01,365 --> 00:38:03,534 ...beautiful and bountiful. 412 00:38:05,160 --> 00:38:08,038 Everything we need for life is here. 413 00:38:10,874 --> 00:38:12,751 Shimmering blue... 414 00:38:12,918 --> 00:38:16,505 ...it is our haven in a vast black sea of space. 415 00:38:23,512 --> 00:38:25,222 This is our home. 416 00:38:26,890 --> 00:38:29,059 It will be home to our children... 417 00:38:30,143 --> 00:38:32,312 ...and to their great-grandchildren. 418 00:38:35,357 --> 00:38:38,235 It is home to all the nations of the world. 419 00:38:43,240 --> 00:38:45,659 It's home to the people of Mexico. 420 00:38:54,793 --> 00:38:57,546 Home to the people of Greece and Turkey. 421 00:39:10,684 --> 00:39:13,812 It's home to Israelis and Arabs. 422 00:39:22,196 --> 00:39:24,448 It's home to the Vietnamese. 423 00:39:36,752 --> 00:39:39,254 It's home to the aboriginal people... 424 00:39:39,421 --> 00:39:42,299 ...and the farmers of the Australian outback. 425 00:39:50,849 --> 00:39:53,268 It's home to the people of Japan. 426 00:40:00,317 --> 00:40:03,111 It's home to the peoples of the Caribbean. 427 00:40:19,753 --> 00:40:21,797 It's home to all of us. 428 00:40:23,882 --> 00:40:26,093 And it's our only home. 33292

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