完美星球（2021）

Many animals rely on predictable patterns of rainfall.
许多动物依赖可预测的降雨模式
But,as our world warms,our weather is changing.
但是,随着世界变暖,我们的天气也在变化
For every one degree that the temperature
温度每升高一度
goes up on this planet because of CO2 emissions
因为二氧化碳的排放
the atmosphere is sucking up 7% more water.
大气吸收了7%以上的水
So we're getting more concentrated precipitation in the clouds
所以我们在云层中得到了更集中的降水
and more radical,
更激进的是,
extreme,unpredictable,out-of-control weather events.
极端、不可预测、失控的天气事件
Millions are bracing
数以百万计的人正在振作起来
for a hurricane the likes of
像这样的飓风
which we've never seen.
我们从没见过
We're getting hurricanes
我们有飓风了
that are devastating our ecosystems and killing human beings every year.
每年都在破坏我们的生态系统,杀害人类
They're now over and over and over again every season.
他们现在每一季都一遍又一遍
This planet is more powerful
这个星球更强大
than we thought.
比我们想象的要多
More fires,more droughts,more floods.
更多的火灾,更多的干旱,更多的洪水
And so this perfect planet of ours is now
所以我们这个完美的星球现在
being thrown into a system of flux.
被扔进一个不断变化的系统
These extreme conditions are making it
这些极端的条件使
increasingly difficult for animals to survive.
动物生存越来越困难
And that is not just affecting wildlife.
这不仅仅影响到野生动物
New research suggests that,
新的研究表明,
for every one-degree rise in global temperatures,
全球气温每升高一度,
a billion people will be pushed into near unliveable extremes.
10亿人将被推向几乎无法暴露的极端
And this could trigger one of the greatest human migrations in history.
这可能引发历史上最伟大的人类迁徙之一
We're about to have climate refugees,
我们将有气候难民,
forced out of uninhabitable areas of the world,
被迫离开世界上不适宜居住的地区,
pushed up into Europe.
被推进欧洲
We are on the cusp
我们正处在风口浪尖上
of the biggest migratory pattern
最大的迁徙模式
in human history.
在人类历史上
We're going to see millions,tens of millions
我们将看到数百万,数千万
and,unfortunately,hundreds of millions of people
不幸的是,数亿人
migrating from areas that are no longer liveable
从不再适合居住的地区迁徙
in the next 20,30,40,50 and 60 years.
在接下来的20年,30年,40年,50年和60年里
And people are frightened
人们都很害怕
because this is outside of our frame of reference.
因为这超出了我们的范围
But there is hope.
但还是有希望的
In Africa,the Sahara Desert is advancing southwards.
在非洲,撒哈拉沙漠正在向南推进
But a remarkable project is aiming to stop it in its tracks.
但一个了不起的项目正致力于阻止它步入正轨
The ambitious goal
雄心勃勃的目标
is to plant over one billion drought-resistant trees,
种植10多亿棵抗旱树,
like acacias.
像相思树
Known as the Great Green Wall,
被称为绿色长城,
once complete,a band of trees will stretch nearly 5,000 miles
一旦建成,一条林带将延伸近5000英里
right across Africa
就在整个非洲
one of the largest living structures on the planet.
地球上最大的生物结构之一
These trees stop topsoil blowing away,
这些树阻止表层土被吹走,
and their roots penetrate the ground,
它们的根穿透地面,
creating a network of channels
创建渠道网络
that store water whenever rain falls.
一下雨就储水
Ten-year-old Korka is one of the first children to benefit.
10岁的科尔卡是首批受益的儿童之一
12 million trees have already been planted here in Senegal,
塞内加尔已经种植了1200万棵树,
and with dramatic results.
结果非常惊人
Wells are filling again,allowing crops to grow.
井又满了,庄稼得以生长
So far,only 15% of the Green Wall is complete,
到目前为止,绿墙只完成了15%,
but it's already breathing life back into the land,
但它已经把生命重新注入土地,
stemming the exodus of people
阻止人口外流
and keeping communities together.
保持社区团结
And the trees do something else for our children's future.
树木为我们孩子的未来做了些别的事情
As they grow,
随着它们的成长,
they remove carbon dioxide from the air.
它们去除空气中的二氧化碳
Carbon is the very foundation of life.
碳是生命的基础
Every plant absorbs it from the air
每株植物都从空气中吸收它
using it to grow.
用它来成长
When animals eat these plants,
当动物吃这些植物时,
some of this carbon is locked away in the fabric of their bodies.
一些碳被锁在他们身体的纤维里
Together,these wild places,
一起,这些荒野的地方,
and the animals that allow them to thrive,
以及让它们茁壮成长的动物,
take up over a third of the carbon dioxide we release.
吸收我们释放的二氧化碳的三分之一以上
All of these systems,and the life within it,
所有这些系统,以及其中的生命,
are so important to protect us
对保护我们很重要
from a warming planet.
来自一个正在变暖的星球
Some of the Earth's most important carbon stores
地球上最重要的碳储存
are those rich in plant and animal species -
那些植物和动物种类丰富吗-
the tropical jungles.
热带丛林
Forests are sponges.
森林是海绵
They absorb enormous amounts of CO2
它们吸收大量的二氧化碳
from the atmosphere,and they trap that inside.
从大气中,他们把它困在里面
Forests are about much more than just trees.
森林不仅仅是树木
In order to thrive,a jungle needs bustling animal communities.
为了茁壮成长,丛林需要热闹的动物群落
It needs insects to pollinate.
它需要昆虫来授粉
It needs mammals to spread the seeds
它需要哺乳动物来传播种子
from one part of the forest to another.
从森林的一部分到另一部分
It needs this massive,tangled web of species interactions.
它需要这个庞大的、错综复杂的物种互动网络
A jungle rich in animals
动物丰富的丛林
stores so much more carbon than a forest with little life.
比没有生命的森林储存更多的碳
But many of the world's tropical jungles are under threat.
但世界上许多热带丛林正受到威胁
And none more so than the greatest of them all - the Amazon rainforest.
其中最伟大的莫过于亚马逊雨林
It's essential for the health of our planet,storing as much carbon
它对我们星球的健康至关重要,能储存同样多的碳
as 25 years' worth of current emissions from all the cars in the world.
相当于世界上所有汽车25年的排放量
The Amazon rainforest is one of the keystones of our climate.
亚马逊雨林是我们气候的基石之一
If we lose enough of the Amazon that it stops to function like that,
如果我们失去了足够多的亚马逊,它就会停止这样的运作,
then it's going to be an absolute disaster for civilisation,it really will.
那么这将是文明的绝对灾难,真的会
But urban expansion,cattle ranching
但是城市扩张,养牛业
and mining means that the forests of the Amazon
采矿意味着亚马逊的森林
are being lost at a frightening rate.
正在以惊人的速度消失
It's not beyond the realms of possibility that we could
这并没有超出我们所能做到的可能性范围
deforest a rainforest,like the Amazon,
砍伐雨林,比如亚马逊,
so that trees cannot grow there
这样树就不能在那里生长了
and it turns into a savanna.
变成了稀树草原
Every minute,an area the size of about two football pitches
每分钟,大约两个足球场大小的区域
is destroyed by humans.
被人类摧毁
These amazing ecosystems around us - the oceans,the jungles,the forests,
我们周围这些神奇的生态系统-海洋,丛林,森林,
the mangroves - these are our greatest hope
红树林是我们最大的希望
and our greatest buffers against a warming planet.
以及我们对抗全球变暖的最大缓冲
On the front line in the heart of the Amazon
在亚马逊中心的前线
stands of the city of Manaus.
马瑙斯城的看台
Here,urban expansion is eating into the jungle.
在这里,城市扩张正在吞噬丛林
Celina Pinage works for IPAAM,
Celina Pinage为IPAAM工作,
the Amazonas Environmental Protection Unit.
亚马逊环境保护组织
Their mission is to save animals trapped in the city
他们的任务是拯救困在城里的动物
and to return them to the wild.
把它们送回野外
Today,Celina is rescuing a sloth.
今天,塞琳娜正在救一只树懒
It's the world's slowest mammal.
它是世界上最慢的哺乳动物
Many become trapped as trees are cut down
许多人因为树木被砍伐而陷入困境
to make way for houses.
为房♥子让路
Over 3,000 animals have been rescued in the past five years.
在过去的五年里,已经有3000多只动物获救
Each one of these creatures is needed by the forest -
每一种生物都是森林所需要的-
to disperse seeds,pollinate plants
传播种子,给植物授粉
or,like this jaguar,to keep herbivores in check.
或者像这只美洲虎一样,控制食草动物
Whenever possible,Celina releases animals
只要有可能,Celina就会放生动物
back into the protected areas of jungle.
回到丛林的保护区
We don't just want to protect animals because they're interesting
我们不只是想保护动物因为它们有趣
and they're beautiful.
它们很漂亮
They're an integral part of a functioning planet,and we need to keep them around.
它们是一个正常运转的星球不可分割的一部分,我们需要保持它们的存在
So,how do we protect our remaining forests?
那么,我们如何保护我们剩下的森林呢？
Calculating their true environmental value could hold the key.
计算它们的真实环境价值是关键
And a new cutting-edge technology is beginning to do just that.
一种新的尖端技术正开始实现这一点