如今，摄像卫星可以俯瞰地球任一角落 Satellite cameras can now look down on every part of our planet...
这项技术，将彻底改变我们的家园。 ..revolutionising the view of our home.
通过观察摄像卫星，几天里持续拍摄的地球照片， By combining images taken over days...
或几周 ..weeks...
或几年 ..and years...
我们发现地球正发生改变。 ..we can see Planet Earth change.
从太空，我们看到城市在扩张 From space, we can watch cities grow...
地球自然资源正缩减 ..Earth's natural resources shrink...
天气变得越发极端。 ..and the weather become more extreme.
我们改变地球自然环境的速度 As we alter the surface of the planet
比人类历史上任何时候都快 faster than at any time in human history...
新视角帮助我们，跟踪人类高速发展 ..this new perspective allows us to track the speed of this change...
对地球环境造成的影响， ..to see the impact of our actions...
启示人们保护好自己的家园。 ..and inspire us to look after our fragile home.
如今，地球上每一块土地都有人类生活。 Humans now inhabit every landmass on the planet.
我们的居住地，在夜间更加显眼。 And the extent of our colonisation is most obvious at night.
科学家们将图像组合起来， Scientists have combined images to reveal a detailed view
展示全球的详细情况。 of the entire globe at night.
我们的城市和城镇 Our cities and towns...
在整个地表蔓延开来。 ..reaching out across its surface.
根据多年拍摄的地球影像， Using images taken over years,
我们看到城市飞速发展。 we can see just how fast these cities are growing.
过去40年间， In the last 40 years,
拉斯维加斯的面积扩张了两倍， Las Vegas has tripled in size...
它的郊区延伸到内华达沙漠。 ..its suburbs sprawling into the Nevada desert.
东京现有3800万人口， Tokyo is now home to 38 million.
高于地球上任何城市。 More people than any other city on Earth.
还有，在短短35年内， And, in just 35 years...
深圳这个中国南方的小渔村， ..the small fishing village of Shenzhen in China...
成长为现代化都市， ..has grown to a modern city...
在那里生活着一千万人。 ..of ten million.
它与邻近的九个城市相连 It has joined with nine neighbouring cities,
构成了庞大的城市圈 creating one giant megatropolis...
6000万人居住在此， ..home to more than 60 million people...
面积超过50000平方公里。 ..across more than 50,000 square kilometres.
每天都有新的土地被征用。 As new land is claimed each day...
自然景致消失不见。 ..nature is being pushed out.
从高处往下看， From above...
印度的街道犹如密集的 ..India's streets are a densely packed maze
灰色混凝土迷宫。 of grey concrete.
然而，放大印度最大的城市之一 But zoom in over Chennai,
----钦奈的照片， one of India's largest cities...
我们看见一片亮绿色的闪光。 ..and we can see a flash of bright green.
野生鹦鹉 Wild parakeets.
在这个不断蔓延的城市 In this ever-sprawling city, one man
为野生动物腾出了空间。 has made room for wildlife.
15年前，约瑟夫·塞卡尔看到一对鹦鹉 15 years ago, Joseph Sekar saw a pair of parakeets
在城市街道上艰难地寻找食物。 struggling to find food in the city streets.
他为鸟儿们准备了米饭。 He put out rice for the birds.
其它的鹦鹉也来蹭饭， Others came,
于是他提供更多的食物。 so each day he put out even more.
每天，他和孙女们 Every day, he and his granddaughters
把自家的屋顶变成一张巨大的餐桌。 turn his rooftop into a giant bird table...
前来就餐的鸟 ..awaiting the arrival...
有4000只。 ..of 4,000 birds.
我早上五点开始
鹦鹉六点就到，需要我准备好食物。
养鹦鹉花掉约瑟夫将近50%的收入。 Joseph spends nearly 50% of his income on feeding the parakeets.
15年来，我每天准备25公斤大米。
一顿饭，都没有漏过。
他们一天喂两次，从未间断。 They come twice a day, without fail.
当鸟最需要的时候 Joseph has not only given a lifeline to these birds
约瑟夫不仅延续它们的生命。 when they needed it most...
他把一点自然之物，带回到了城市的街道上 ..he has brought a little bit of nature back into the city streets.
这个世界上不光有人类，
所有的生命都很重要。
在排斥自然的城市环境里 In a world where nature is being pushed out...
约瑟夫养活一大群动物 ..Joseph is supporting a whole population of animals...
显示500万分之一的人， ..showing that one person in five million
也能为改变环境，产生巨大的影响。 can make a huge difference.
随着地球的城市规模日新月异 As the planet's urban landscapes grow by the day...
必不可少的野外空间正在锐减。 ..its most important wild spaces are shrinking.
南美，森林变成农田。 In South America, trees are cleared for farming.
亚马逊，被当地部落保护的小片绿色 In the Amazon, small patches of green, protected by local tribes...
是一片曾经存在的大森林遗迹。 ..are all that remain of a once-great forest.
在马达加斯加岛上 And on the island of Madagascar,
30多年来拍摄的图像 images taken over 30 years...
显示它已经失去了80%的原始森林。 ...show it has lost almost 80% of its original forest.
只剩下零星的树木来固定土壤， With so few trees left to hold the soil in place,
如今，红土被雨水带入河流，奔向大海。 the red earth now runs into the rivers and out into the ocean.
看上去，马达加斯加仿佛血流成河。 It looks like Madagascar is bleeding.
印度尼西亚群岛 The islands of Indonesia.
一片茂密的雨林 An area of thick rainforest...
上千种动植物的家园。 ..home to thousands of plant and animal species.
如今，从太空显示，它消失了。 But the view from space shows it disappear.
整个印度尼西亚，大片森林被砍伐。 All over Indonesia, swathes of forest are vanishing.
对一物种带来毁灭性的打击。 And it's having a devastating impact on one species in particular.
ORANGUTAN HOOTS
年轻的苏门答腊猩猩 This young Sumatran orangutan
和母亲一起住在森林的树冠上。 lives with her mother in the forest canopy.
都快三岁了， At nearly three years old,
她还在学习什么能吃，什么不能吃。 she's still learning what's safe to eat and what isn't.
森林里有300不同种类的可食植物 There are over 300 different types of edible plants in the forest...
但是每种水果的成熟时间不同。 ..but each fruit at different times.
在这觅食并非易事。 Finding food here isn't easy.
她必须学习母亲的丰富经验。 She must rely on her mother's expert knowledge.
这对猩猩每天为了觅食，最多可行进3公里。 The pair can travel for up to 3km a day foraging for food.
妈妈知道每棵树的位置 Her mother knows the location of each and every tree
处于领土何处。 in her territory.
榴莲果实富含脂肪和维生素，是最受欢迎的水果。 Durian fruit, full of fats and vitamins, are a favourite.
它们的气味告诉猩猩，果实是否熟了。 Their smell tells her if they're ready to eat.
每天一课。 Every day is a lesson.
还需三年 It will be three more years
这位年轻的母猩猩才能学会独立。 before this young female has learned enough to go it alone.
但是猩猩的栖息地受到威胁， But with orangutan habitat under threat,
寻觅足够的食物，变得愈发艰难。 finding enough food is becoming more difficult.
她或许无法活到成年。 She may not survive that long.
世界上的红毛猩猩 This forest is home to the highest concentration
集中生活在这片森林里。 of orangutans on the planet.
摄像卫星飞过这片土地上空 But as the satellite moves across the landscape...
发现森林消失了。 ..the forest disappears.
最后的猩猩栖息地 The last patches of the orangutans' habitat...
被有序的田地包围。 ..are surrounded by ordered fields.
排列整齐的 Row after row...
棕榈树。 ..of palm oil trees.
树上的坚果可制成油 Nuts from the trees are made into oil
我们超市货架上的产品 that's found in about half of all the products
约有一半需要它。 on our supermarket shelves.
从牙膏到饼干 From toothpaste to biscuits...
口红到肥皂 ..lipstick to soap.
在过去的20年里 In the last 20 years,
红毛猩猩失去了80%的森林家园。 orangutans have lost 80% of their forest home.
这里森林砍伐规模和速度 The scale and speed of deforestation here
几近失控。 makes it almost impossible to control.
现在摄像卫星可以提供帮助。 But now satellites can help.
它们可以实时监测树木损失情况 They can monitor tree loss in real time...
革新了打击非法活动的方法。 ..revolutionising the fight against illegal activity...
协助当局监视偏远的森林 ..allowing authorities to keep watch on remote forests...
建立快速响应机制，保护它们。 ...and respond to protect them faster.
人类的开发，不仅仅影响森林。 It's not only forests the humans are exploiting.
我们已经找到了利用全球自然资源的方法 We've found ways to use natural resources across the planet.
德国的一个扇状煤矿 A mine fans out in Germany...
每年生产3000万吨褐煤 ..producing 30 million tonnes of brown coal a year
为发电站提供燃料。 to fuel electric power stations.
在智利，蓝色岛屿 In Chile, islands of blue
出现在广阔的盐滩上。 appear in a vast salt flat.
这些蒸发池用来浓缩锂 These evaporation ponds concentrate lithium
为我们的手机电池提供制造原料。 to be made into batteries for our mobile phones.
在沙特阿拉伯的沙漠里 In the deserts of Saudi Arabia,
出现圆形田地。 circles appear in the sand.
从地表以下1公里处抽水 Water pumped from 1km below the Earth's surface
喷洒庄稼。 is used to feed crops.
人类利用地球自然资源，为工业提供燃料 And as we use Earth's natural resources to fuel our industries...
同时制造大量的垃圾。 ..we leave our rubbish behind.
数千架老旧的飞机，随意的摆放在亚利桑那州的沙漠中。 Thousands of old aircraft litter the Arizona desert.
成百上千的船只排列在孟加拉国的海岸线上 Hundreds of ships line the coast of Bangladesh...
等待拆除 ..waiting to be dismantled.
在科威特的沙滩上有一块黑色的补丁 And in Kuwait, a black patchwork in the sand.
数以百万计的旧汽车轮胎被丢弃 Millions of used car tyres left discarded.
我们制造的所有产品 The waste products of almost everything we make...
几乎都产生废气。 ..are gases.
它们升入大气层 They rise into the atmosphere,
滞留在那里 where they become trapped,
吸收地面的热量 and absorb heat from the Earth below,
使地球变热。 making the planet hotter.
在过去的一百年里 In the last hundred years,
我们的星球变暖了近一摄氏度， our planet has warmed by almost one degree Celsius...
足以强烈影响 ..enough to dramatically affect
我们最壮丽的自然景观。 some of our greatest natural landscapes.
冰川 Glaciers.
体积庞大的冰。 Huge bodies of ice.
在阿拉斯加，贝尔冰川沿着山谷，向下延伸20公里。 In Alaska, Bear Glacier runs for 20km down the valley...
在入水之前断裂开来。 ..before it breaks up where it meets the water.
实际上，冰川移动非常缓慢 In real time, glaciers can move so slowly
它们几乎静止不动。 they almost appear static.
根据多年来拍摄的卫星图像 But by combining satellite images taken over years,
我们发现冰川正在萎缩。 we can see the ice retreating.
过去30年间 Over 30 years...
阿拉斯加的哥伦比亚冰川损失了12英里的冰。 ..12 miles of ice is lost from Alaska's Columbia Glacier.
山地冰川的规模也受到威胁。 Mountain glaciers are also under threat.
在南美，钦博拉索山，横亘在厄瓜多尔中部。 In the centre of Ecuador, South America, lies Chimborazo.
它海拔六千多米，是该国最高的山。 At more than 6,000 metres, it is the country's highest mountain.
千百年来，它的顶峰被冰雪覆盖 For millennia, its peak has been covered in snow and ice.
但在过去的三十年里 But in the past three decades,
从太空拍摄的图像，发现它的改变。 the view from space has started to change.
钦博拉索山正失去冰盖。 Chimborazo is losing its ice.
一位山脚下的居民对此感触颇深。 One man living in its foothills knows this only too well.
我是巴尔萨扎·乌斯卡
我今年73岁。
我一辈子都住在这里。
巴尔萨扎是一个位采冰者。 Balthazar is an ice harvester.
他家好几代人，都在冰川采冰。 For generations, his family have collected glacial ice
从山上运到山下的城镇和村庄卖掉。 from the mountain to sell to the towns and villages below.
以前，他是40名采冰者之一。 He used to be one of 40 working here.
现在，只剩他自己以此为生。 Now he's the very last one.
随着冰川的融化， As the glacier melts,
他必须爬得更高才能采到冰块。 he's had to climb higher and higher to find the ice.
山顶之上， On the top of the mountain,
科学家使用无人机，监测冰层深度的变化。 scientists use drones to monitor the change in the depth of ice
计算钦博拉索冰川的 to calculate just how fast Chimborazo's glaciers
消失速度。 are retreating.
然而，无人飞机飞行高度有限。 But a drone can only go so high.
把采集的图像和卫星数据结合起来， Combining these images with satellite data...
才可一窥全貌。 ..reveals the whole picture.
自1976年始， Since 1976,
21%的钦博拉索冰面消失。 21% of Chimborazo's surface ice has gone.
冰川是世界的水塔 Glaciers act as the world's water towers...
滋养我们赖以生存的溪水和河流。 ..feeding the streams and rivers which we rely on.
如果冰川干涸， If they dry up,
将产生严重后果。 the effect could be severe.
对巴尔萨扎来说， For Balthazar,
他所依赖的维生方式将要终结。 this could be the end of the only way of life he's ever known.
从前 In the old days,
他在整个地区的城镇做冰块生意。 he delivered ice to towns all over the region.
现在，他只为当地的咖啡馆供应冰块。 But now he supplies just a handful of local cafes...
THEY EXCHANGE GREETINGS
像他一样，坚信冰块能卖个好价钱。 ..who, like him, believe that his ice is the best money can buy.
随着地球气候发生变化， As the Earth's climate changes,
我们的天气越发变幻莫测。 our weather becomes more unpredictable.
骤热骤冷 Extremes of hot and cold
正促成极端天气现象。 are contributing to dramatic weather events.
非洲 In Africa...
居然降下大雪 ..snow falls...
就发生在撒哈拉沙漠 ..in the Sahara Desert.
在2018年，夏日的炎热异乎寻常， In 2018, an unusually hot summer...
将英国变成褐色。 ..turned the UK brown.
在玻利维亚，受严重干旱影响， While in Bolivia, Lake Poopo has all but disappeared,
玻波湖几乎消失了。 partly due to severe drought.
随着全球气温上升 As global temperatures rise,
地表水蒸发的更快， water on the Earth's surface evaporates faster...
形成大量的云 ..creating more clouds...
和大量的风暴。 ..and more storms.
俯瞰大海 Look down over the ocean...
云层改变了形状。 ..and the clouds shift into shape.
THUNDER RUMBLES
它们开始剧烈地 They begin to spiral...
盘旋 ..and race...
在海洋中吸收能量。 ..picking up energy as they spin across the ocean.
飓风 Hurricanes.
基本上 On average,
每年都有一场风暴袭击美国海湾沿岸。 one hurricane hits the Gulf Coast of the United States every year.
然而，海滩边的房产依然备受追捧。 But beach-side property is still highly sought after.
不仅仅度假者喜爱这里。 And not just by holiday-makers.
海滩鼠爬出洞穴
在过去的25年里，这些海滩受到四个飓风袭击。 These dunes have been hit by four hurricanes in the last 25 years.
离海岸几英里远的整个海滩， Just a few miles down the coast,
鼠群灭绝了 an entire beach mouse population was wiped out...
必须重新引入 ..and had to be reintroduced.
三周大的时候，每只小老鼠都必须离开家庭 At three weeks old, every young mouse must leave the family nest...
开拓自己的领地。 ..and establish their own territory.
从挖洞开始。 Starting with a burrow.
植被很少 There's little vegetation,
几乎没有掩护。 barely any cover.
一个隐蔽所是不可或缺的。 A bolthole is essential.
MOUSE SQUEAKS
如这条海岸线上的所有房产一样。 Like all real estate on this coastline,
洞穴是稀缺财产。 burrows are hot property.
需要几天时间，才能找到属于自己的家园。 It might take several days to find a place of his own.
在地面度过的每一刻 Every moment spent out here alone,
它都很危险。 he's vulnerable.
不仅仅有掠食者环伺。 And not just to predators.
沙滩之上，天空愈加晦暗。 Over the dunes, the skies are getting darker.
THUNDER RUMBLES
正在生成风暴云。 Clouds are building.
沙滩上的摄像机，跟拍天气的变化。 While cameras on the dunes follow the weather as it changes...
同时 ..at the same time
位于海湾上空的卫星。 a satellite positioned out over the Gulf...
使我们看到沙滩鼠无法察觉的事。 ..allows us to see what a mouse can't.
距海滩800公里， 800km away from the dunes,
一个飓风正在形成。 a hurricane has formed.
像所有的大风暴一样，它拥有自己的名字。 Like all major storms, it's given a name.
哈维 Harvey.
300公里宽 300km across...
风速每小时超过100英里。 ..and with winds of over 100mph,
据预测，哈维将在八小时内登陆。 it's predicted that Harvey will make land in just eight hours.
我们从卫星上追寻它的行踪， To tell where it will hit,
告诉人们它会对哪里造成伤害。 we can track its movement from satellite.
哈维抵达海岸时，会从海滩上盘旋。 As it reaches the coast, it spins away from the dunes.
沙滩鼠很安全。 The beach mice are safe.
哈维登陆地的图像显示 But where Harvey makes landfall...
由于降雨超过120厘米 ..images reveal the aftermath of devastating flooding...
毁灭性洪水带来的灾难性后果。 ..caused by over 120 centimetres of rain.
哈维是12年来袭击美国，最强大的风暴。 Harvey was the most powerful storm to hit the US in 12 years.
同样是美国历史上降水最大的风暴。 And the wettest in American history.
然而，哈维仅仅是个开始。 But Harvey was just the beginning.
下一个是艾尔玛 Next came Irma,
乔斯 Jose
最后是凯蒂娅 and Katia...
有史以来最糟糕的飓风季节之一 ..in one of the worst hurricane seasons on record.
据预测，这个不断变暖的星球 It's predicted that an ever-warming planet
会酝酿更强大的风暴。 will produce more powerful storms.
通过卫星绘制飓风路径 But with satellites mapping the path of hurricanes,
可以帮助我们做好应对准备。 they can help us to prepare for when they hit.
不仅仅是飓风在增加 It's not only hurricanes that are increasing.
另一种天气事件，在我们的星球上留下了不可磨灭的痕迹。 Another weather event leaves indelible marks on our planet.
加利福尼亚，2018年 California, 2018.
面积超过1400平方公里的巨大烧痕。 A huge burn mark covering more than 1,400 square kilometres.
每年夏天，在美国都会发现这些伤疤。 These scars are found across America every summer.
从太空观察 And the view from space
我们用全新的视角，来审视它们的成因。 gives us a brand-new perspective on one of their causes.
THUNDER RUMBLES
夜观地球 Look down on the planet at night...
地球发出噼啪声和火花 ..and the globe crackles and sparks...
每一个亮点，都是一道闪电。 ..each bright spot a strike of lightning.
我们的星球，每秒被闪电轰击50次。 Our world is struck up to 50 times every second.
每次撞击地表的能量 As the energy of each strike hits the Earth's surface...
都产生致命的火花。 ..they create deadly sparks.
THUNDER CRASHING
北美，每年爆发10000场野火， In North America, more than 10,000 wildfires a year
均为闪电所致。 are caused by lightning.
SIRENS BLARE
这个数字随着气候变化而增加 This number is increasing as the climate changes,
因此，必须监控这些火灾。 so these fires must be monitored.
HE BREATHES HEAVILY
通常，我早上六点左右起床 Usually, I get up at about six o'clock in the morning.
起来后喝杯咖啡 I get up, have a cup of coffee...
紧接着，我准备出门了。 ..and then I'm ready to go.
在每个夏天的每一天， Every day of each summer,
85岁的比利.埃利斯爬上143级台阶，来到他的办公室。 85-year-old Billy Ellis climbs the 143 steps to his office.
我到广播里呼叫9.25. I get to the radio about 9.25.
你好，调度，这里是恶魔之塔，开始服务 Hello, Dispatch, this is Devil's Head Tower, in service.
MUFFLED REPLY
我是个消防队员，我已经工作了33个夏天了。 I'm a fire lookout, and I've been doing it now for 33 summers.
经过一个漫长炎热的夏天，森林变得更加干燥 After a long, hot summer, the forest is tinder dry.
为火灾爆发的提供绝佳条件。 Perfect conditions for a fire.
我大约每15分钟巡视一次，四处看看。 I look about every 15 minutes, I take a look around.
你可能连续几天，没有发现。 You can look for days and never see anything.
然后，情势急转直下，火灾突发。 Then, all of a sudden, there it is.
THUNDER RUMBLES
你好，调度，这里是魔鬼塔。我们发现浓烟。 Hello, Dispatch, this is Devil's Head Tower. We have a smoke.
几分钟之内，一缕浓烟出现在地平线上。 Within minutes, a smoke plume can stretch across the horizon.
现在最有效的跟踪方法 Now the most effective way to track it...
来自太空。 ..is from space.
摄像卫星几乎可以实时跟踪火灾路径 Cameras can follow a fire's path in almost real time...
观察烟雾以预测其方向、大小和速度 ..observing the smoke to predict its direction, size and speed...
引导消防人员抵达火焰中心。 ..guiding those fighting it to the heart of the blaze.
ROLL CALL
利用卫星定位 Using satellite positioning,
在接电话后的七分钟内，消防员就能出现在火场。 smoke jumpers can be on the ground within seven minutes of a call.
野火燃烧温度，可达1200摄氏度。 Wildfire can burn at 1,200 degrees Celsius.
为了阻止它，他们在森林中制造了防火带 To stop it, they create breaks in the forest...
清除可燃物。 ..taking away its fuel.
当人类活动导致地球持续升温 As human actions continue to warm the planet...
更多的野火在地表蔓延。 ..more wildfires tear across the Earth's surface.
2018年，加州经历了有史以来最严重的野火季节。 In 2018, California had one of the worst wildfire seasons in history.
卫星先后发现了5000多起火灾 Satellites followed as more than 5,000 fires
横贯全州 raged across the state...
包括门多西诺的复合型火灾 ..including the Mendocino Complex Fire...
加利福尼亚有史以来最大的野火之一。 ..one of California's largest-ever wildfires.
即使在破坏最严重的地方 But even in the most devastated landscapes...
生机再现。 ..lies opportunity.
比利不是森林里唯一的守望者。 Billy isn't the only lookout in the forest.
这只钻木头的甲虫也在寻找烟雾 This wood-boring beetle is also searching for smoke.
他身体里的独特传感器，能在好几公里外探测到它。 Special sensors in his body detect it from many kilometres away.
这类发黑的树枝比较弱 This blackened branch is weaker -
更容易钻入和进食。 easier to bore into and feed on.
昆虫去哪 And where insects go...
鸟都会跟着。 ..birds follow.
黑背啄木鸟 A black-backed woodpecker.
完全伪装在燃烧的森林里。 Perfectly camouflaged in burned forests.
甲虫的幼虫，充满了脂肪。 Beetle grubs are full of fat.
CHIRPING
饥饿雏鸟的理想食物。 Food for hungry chicks.
火灾发生后6个月内 Within six months of the fire,
啄木鸟洞来了新居民。 the woodpecker holes have new residents.
新树生根 And new trees take root.
红外卫星图像，显示这片森林，从棕色 Infrared satellite images of this forest show it turn from brown...
变成绿色 ..to green...
用了不到三年的时间。 ..in just three years.
野火对森林栖息地的健康，至关重要。 Wildfire is essential for healthy forest habitat.
它使树木再生了 It has regenerated the trees
继续养育，在其间生活了数千年的物种。 and supported the species that live in them for millennia.
但是，当我们的星球继续升温， But as we continue to warm our planet,
将增大火灾的规模和严重程度。 increasing the size and severity of these fires,
控制地球升温，我们责无旁贷。 it becomes our responsibility to keep them under control.
太空中的摄像卫星是强力工具，用以监视我们的星球 Cameras in space are a powerful tool with which to monitor our planet...
显示受到威胁的区域。 ..revealing landscapes under threat.
卫星采集图像， But satellites also capture images
为地球上，我们试图恢复生态平衡的地方提供帮助。 in parts of the world where we are trying to restore the balance.
在英格兰东海岸附近 Just off the east coast of England...
白点点缀着海面。 ..white dots appear in the sea.
世界上最大的海上风电场之一 One of the world's largest offshore wind-farms,
每年为50万户家庭，提供足够的电力。 generating enough power a year for half a million homes.
中国 In China...
两只大熊猫图案。 ..two giant pandas.
太阳能电池板发电 Solar panels creating electricity
作为替代燃煤的绿色能源。 as a greener alternative to burning coal.
非洲，坦桑尼亚 And in Tanzania, Africa...
这片土地已被开垦用于耕作。 ..this land was cleared for farming.
如今，情况发生改变。 But now the view has changed.
完整地 Completely.
森林重生 Forest has regrown...
帮助当地，最具特色的物种之一，获得重生。 ..a transformation helping one of our most iconic species.
贡贝国家公园 Gombe Stream National Park.
这是萨拉马 This is Salama...
和她的母亲，施维尼。 ..and her mother, Schweini.
它们是卡萨克拉保护区的成员 They're members of the Kasakela community -
这群黑猩猩，数量有90多只 a troop of over 90 chimpanzees...
灵长类动物学家简·古德尔，在1960年首次研究它们。 ..first studied by primatologist Jane Goodall back in 1960.
58年来，几乎每天都有人跟踪这个族群。 The family have been followed almost every single day for 58 years.
CHIMPANZEES CALL
成为世界上最长的动物研究项目。 It's the longest-running study of any animal on Earth.
它们保护区的森林，靠近基加尔耶村 Their protected forest is near the village of Kigalye.
在这里，当地人砍伐树木为农田腾出空间。 Here, local people cut down trees to make space for farmland.
没有树木固定大地 But without the trees holding the earth together,
导致山体滑坡 there were landslides...
山洪爆发 ..and flash floods...
威胁到村庄和他们的邻居。 ..threatening the village and their neighbours.
CHIMPANZEES CALL
为了生存，雌性黑猩猩 To survive, female chimpanzees
需要和其他族群混在一起 need to mix with other troops,
离开领土寻找伴侣。 moving territory to find a mate.
但是，砍伐森林隔离了这个保护区。 But deforestation isolated the community.
它们的领地变成了一个孤岛。 Their forest had become an island.
人类和黑猩猩都遭受苦难。 With both people and chimps suffering,
简古道尔研究所开始与村民合作 the Jane Goodall Institute began to work with the village
重新种植树木 to replant the trees...
为当地人提供持续利用土地的方法。 ..and provide the locals with sustainable ways to use the land.
Emmanuel Mtiti和Lilian Pintea Emmanuel Mtiti and Lilian Pintea
为该项目工作了18年。 have been working on the project for 18 years.
他们得到来自卫星的 And they've had a little help...
一些帮助 ..from satellites.
这是卡萨克拉保护区最近的图像。 This is a recent image of the area.
最精致的细节也清晰可见。 Even the finest details are visible.
在这儿，芒果树旁，那是你的房子。
那就是教堂
这是布格尔茨河
让我们回到这个问题上来。 So let's go back to this.
与先前的卫星图像进行比较， By comparing satellite images,
村民们会发现他们的做法带来怎样的改变。 the villagers can see what a difference they've made.
2005年，山体滑坡规模更大。
在2017年得到了控制。
森林重获新生。 The forests have been regenerated.
贫瘠的土地恢复了生机。 Land that was infertile has been brought back to life.
滑坡得以控制 The landslides have stopped...
山洪暴发也不再是问题。 ..and flash floods are no longer a problem.
当你对比两个地图时
感受如何？
是否有成就感？
我感到骄傲。
很好，为你们自己鼓掌。
不仅仅当地村民受益。 And it's not just the people who have benefitted.
CHIMPANZEES CALL
几十年来，首次， For the first time in decades...
人们在周围的森林中，发现了新的黑猩猩 ..new chimpanzees have been seen using the surrounding forests...
进入保护区。 ..to travel into the reserve.
潜在的新伴侣 Potential new mates...
预示这个独特物种有着光明未来。 ..and a bright future for this iconic species.
在地球的这个小角落 Here in this small corner of the planet...
自然保护主义者和当地人 ..conservationists and local people
已经展现出，当大家一起保护环境， have shown just what a difference can be made
可以带来怎样不同结果。 when we work together.
从太空可以看到 A change so important and so dramatic...
这个如此重要和戏剧性的变化 ..that it can be seen from space.
这个视角，让我们用全新的方式，看待我们的家。 This perspective allows us to see our home in a whole new way.
现在，卫星照相机帮助我们，检查地球的健康 Satellite cameras now help us to health-check our planet...
看看它在哪里兴旺发达 ..see where it is thriving...
然而，至关重要的是，我们正在破坏其脆弱的平衡。 ..but, crucially, where we are upsetting its fragile balance.
我们能找到，并跟踪地球濒危的物种。 We can find and follow our most vulnerable species...
ELEPHANTS TRUMPET
在壮丽的风景中 ..and make new discoveries...
探索新的发现 ..in extraordinary landscapes...
改变我们对地球运行方式的理解 ..transforming our understanding of the way Earth works...
我们在自然界的位置 ..and our place within it.
RHYTHMIC SHOUTING
这个强大的新工具 This powerful new tool
帮助我们，保护自己 helps us protect our unique
独特且脆弱的星球 and fragile planet.
开放大学制作了一张从太空俯瞰地球的海报 The Open University has produced a poster exploring Earth From Space.
如需免费副本，打电话 To order your free copy, call 0300 303 3821
或登录bbc.co.uk/earthfromspace or go to bbc.co.uk/earthfromspace
或在线联系开放大学。 and follow the links to The Open University.