TED2018
Angel Hsu: How China is (and isn't) fighting pollution and climate change
徐安琪: 中國對抗污染和氣候變遷的所作所為（和不為）
Filmed:
Readability: 5.2
1,767,453 views
中國是世界上最大的污染源，而現在也是世界上最大的乾淨能源生產者。中國未來的方向為何？會如何影響全球的環境？資料科學家徐安琪描述這個地球上人口最稠密的國家如何根據替代能源來創造未來，和面對它在快速工業化的過程中所造成的環境災難。
Angel Hsu - Environmental data scientist
Angel Hsu is a professor and data geek who applies data-driven methods to solve challenging environmental issues. Full bio
Angel Hsu is a professor and data geek who applies data-driven methods to solve challenging environmental issues. Full bio
Double-click the English transcript below to play the video.
00:13
When is seeing not believing?
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什麼時候，眼見不為實？
00:17
A couple years ago, my friend
sent me this photo from Ürümqi,
sent me this photo from Ürümqi,
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幾年前，我朋友從烏魯木齊
傳了這張照片給我，
傳了這張照片給我，
00:20
which is the capital of Xinjiang
province in northwest China.
province in northwest China.
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烏魯木齊是中國西北部
新疆省的首都。
新疆省的首都。
00:24
On this particular day,
she couldn't believe her eyes.
she couldn't believe her eyes.
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在這一天，她無法
相信她所看見的。
相信她所看見的。
00:28
Checking the quality of the air outside
using this app on her iPad,
using this app on her iPad,
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她用 iPad 上的這個應用程式
來確認外面的空氣品質，
來確認外面的空氣品質，
00:33
the numbers were telling her
the air quality was good,
the air quality was good,
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數字告訴她，空氣品質很好，
00:36
one on a scale of 500.
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最高值是 500，此時只有 1。
00:38
But when she looked outside,
she saw something much different.
she saw something much different.
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但當她向外看，
她看到的景象完全不同。
她看到的景象完全不同。
00:42
Yes, those are buildings
in the background.
in the background.
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是的，背景中的那些是建築物。
00:44
(Laughter)
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（笑聲）
00:47
But the data were simply
not telling the truth
not telling the truth
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但資料呈現的，就跟大家
看到和呼吸到的不一樣，
00:50
of what people were seeing and breathing,
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00:52
and it's because they were
failing to measure PM2.5,
failing to measure PM2.5,
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那是因為他們沒有測量 PM2.5，
00:56
or fine particulate pollution.
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或稱為懸浮微粒污染。
00:58
When PM2.5 levels
went off the charts in 2012,
went off the charts in 2012,
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在 2012 年，
PM2.5 的值高到破表，
PM2.5 的值高到破表，
01:02
or "crazy bad," as the US Embassy
once described it in a tweet,
once described it in a tweet,
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美國大使館在推特上曾用
「糟到不可思議」來形容，
「糟到不可思議」來形容，
01:06
Chinese denizens took to social media
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中國居民開始在社交媒體談論，
01:08
and they started to question why it was
that they were seeing this disconnect
that they were seeing this disconnect
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他們質疑為什麼
會有這種落差出現，
會有這種落差出現，
01:12
between official air quality statistics
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官方的空氣品質統計數字
和他們親眼見到、
和他們親眼見到、
01:14
and what they were seeing
and breathing for themselves.
and breathing for themselves.
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親自呼吸到的實際狀況不同。
01:18
Now, this questioning has led
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這些質疑導致了
01:20
to an environmental awakening
of sorts in China,
of sorts in China,
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中國出現環境覺醒之類的現象，
01:24
forcing China's government
to tackle its pollution problems.
to tackle its pollution problems.
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強迫中國政府去處理污染問題。
01:28
Now China has the opportunity
to become a global environmental leader.
to become a global environmental leader.
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現在，中國有機會
成為全球的環境領袖。
成為全球的環境領袖。
01:34
But the picture
that I'll paint for you today
that I'll paint for you today
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但，我今天要跟各位分享的狀況
01:36
is one that's mixed.
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是很複雜的狀況。
01:38
There are some signs
that are very promising,
that are very promising,
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有一些徵兆顯示前景很好，
01:41
and there are other trends
that are more troubling
that are more troubling
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也有其它的趨勢是比較堪憂的，
01:43
that warrant closer attention.
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需要更密切注意。
01:45
But now let's go back
to the story at hand.
to the story at hand.
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但，我們現在先回到手邊的故事。
01:48
I started to witness the beginnings
of China's green evolution
of China's green evolution
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2011 年，我是個博士生，
在中國進行實地研究，
在中國進行實地研究，
01:51
when I was a PhD student
conducting fieldwork in China in 2011.
conducting fieldwork in China in 2011.
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那時，我開始目擊了
中國綠色進化的開端。
中國綠色進化的開端。
01:56
I traveled all across the country
seeking answers to the question
seeking answers to the question
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我造訪中國各地，
尋求一些問題的答案，
尋求一些問題的答案，
01:59
that I often got myself
from the skeptical outsider:
from the skeptical outsider:
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抱持懷疑的局外人常常會問我：
02:03
What, you mean China is doing
something on the environment?
something on the environment?
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你說中國有些關於環境的作為，
那是什麼意思？
那是什麼意思？
02:06
They have environmental policies?
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他們有環境政策了？
02:07
What policies?
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什麼政策？
02:09
At that time, PM2.5 data
was considered too politically sensitive
was considered too politically sensitive
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在那時，PM2.5 資料
被認為政治敏感性太高，
被認為政治敏感性太高，
02:14
and so the government
was keeping it secret,
was keeping it secret,
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所以政府把這些資料完全保密，
02:16
but citizens were becoming aware
of its harmful human health effects,
of its harmful human health effects,
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但人民開始意識到它對
人類健康具有有害的影響，
人類健康具有有害的影響，
02:21
and they were demanding
greater transparency
greater transparency
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他們要求政府這一邊要有
02:23
on the part of the government.
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更高的透明度，
02:25
I actually started to see some of this
growing evolution and awareness myself
growing evolution and awareness myself
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我自己真的有看到
在中國各地都出現了進化
在中國各地都出現了進化
且越來越多人意識到這個議題。
02:29
cropping up all over China.
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02:31
Department stores, for example,
started to market these air purifiers
started to market these air purifiers
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比如，百貨公司開始
行銷各種空氣淨化機，
行銷各種空氣淨化機，
02:35
that could filter out harmful PM2.5.
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來過濾有害的 PM2.5。
02:39
Citizens were also adopting PM2.5
as the title of musical festivals.
as the title of musical festivals.
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人民也採用 PM2.5
當作音樂節的標題。
當作音樂節的標題。
02:44
(Laughter)
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（笑聲）
02:46
And then I went to a golf course
in Shenzhen, which is in southern China,
in Shenzhen, which is in southern China,
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接著，我去深圳上一堂高爾夫
課程，深圳在中國南部，
課程，深圳在中國南部，
02:50
and you can see from this banner,
they're advertising a retreat from PM2.5.
they're advertising a retreat from PM2.5.
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各位可以看這個告示牌
宣稱此區是 PM2.5 的避難所。
宣稱此區是 PM2.5 的避難所。
02:55
Golf sub-par, but don't
breathe sub-par air.
breathe sub-par air.
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高爾夫要低於標準桿，
但呼吸的空氣不能低於標準。
但呼吸的空氣不能低於標準。
02:59
And then Shanghai's
Environmental Protection Bureau
Environmental Protection Bureau
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接著，上海的環境保護局
03:01
decided to create a mascot
named after the air quality index
named after the air quality index
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決定要創造出一隻吉祥物，
以空氣品質指標（AQI）命名，
以空氣品質指標（AQI）命名，
03:06
to better communicate
the air quality data to its people.
the air quality data to its people.
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才能針對空氣品質資料
和人民做更好的溝通。
和人民做更好的溝通。
03:10
I call her AQI Girl,
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我叫她 AQI 女孩，
03:12
and her expression and hair color changes
depending on the quality of air outside.
depending on the quality of air outside.
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她的表情和髮色會跟著
外面的空氣品質而改變。
外面的空氣品質而改變。
03:17
Five years later and she's still
the mostly smiling face
the mostly smiling face
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五年後，她仍然
大部分時候都是笑臉，
大部分時候都是笑臉，
03:21
of Shanghai's air quality.
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代表上海的空氣品質還不錯。
03:23
And then in 2015,
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接著，2015 年，
03:25
former CCTV reporter Chai Jing
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前中國中央電視台記者柴靜
03:27
created this documentary
called "Under the Dome."
called "Under the Dome."
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製作了一部紀錄片《穹頂之下》。
03:30
It would be likened
to Rachel Carson's "Silent Spring."
to Rachel Carson's "Silent Spring."
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它可以被比作瑞秋卡森的
《寂靜的春天》。
《寂靜的春天》。
03:34
And much like Rachel Carson
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且就像瑞秋卡森
03:35
brought to attention the fact
that pesticides were harming human health,
that pesticides were harming human health,
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讓大家注意到殺蟲劑
在傷害人類健康的事實，
在傷害人類健康的事實，
03:39
"Under the Dome" stamped
into the popular consciousness
into the popular consciousness
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《穹頂之下》讓大眾能夠意識到
03:43
that air pollution was leading
to one million premature deaths
to one million premature deaths
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每年光是在中國的空氣污染
就造成了一百萬人過早死亡。
03:48
every year in China alone.
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03:51
This video garnered
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僅僅一個週末
03:52
more than a hundred million
views in a single weekend
views in a single weekend
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這支影片的點閱率
就超過一億人次，
就超過一億人次，
03:55
before China's government,
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後來，中國政府
03:57
fearing that it might incite
some type of social unrest,
some type of social unrest,
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害怕它可能會造成某種社會動盪，
04:00
pulled it from the internet.
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把它從網路上撤掉。
04:02
But the damage had already been done.
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但損害已經造成。
04:05
Public outcry over air pollution
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大眾對於空氣污染做出強烈抗議，
04:07
galvanized China's government,
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促使中國政府採取行動，
04:09
perhaps in an act of self-preservation,
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也許是為了保護自我，
04:11
to think big and decisively
about how it could tackle
about how it could tackle
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大膽而果斷地思考
如何解決空氣污染的根源，
04:14
the root of its air pollution
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04:16
and many of its other
environmental problems:
environmental problems:
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並解決其它環境問題 :
04:18
its energy system.
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能源系統等。
04:20
For you see, in China,
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因為，在中國，
04:22
about two thirds of its
electricity comes from coal.
electricity comes from coal.
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大約三分之二的電力是來自燃煤。
04:26
China has more coal-fired power plants
than any other country in the world,
than any other country in the world,
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中國的燃煤發電廠數量
比世界上任何國家都多，
比世界上任何國家都多，
04:31
about 40 percent of the global total,
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約佔了全球的 40%，
04:34
and it's because of this fact
that China's government
that China's government
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因為這一點，中國政府
04:38
has decided since 2014
to wage a war on coal,
to wage a war on coal,
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決定從 2014 年開始對煤宣戰，
04:42
shutting down small coal mines,
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關閉小型的煤礦坑，
04:44
setting limits on coal consumption,
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設定煤的消耗限制，
04:47
even canceling an Australia's worth
of coal-fired power plants.
of coal-fired power plants.
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甚至關閉了一座相當能產出
澳洲整體發電量的燃煤發電廠。
澳洲整體發電量的燃煤發電廠。
04:53
They've also been making
enormous investments
enormous investments
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他們也一直針對乾淨的
04:55
when it comes to clean
and renewable energy,
and renewable energy,
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可再生能源做大量的投資，
04:57
like hydropower, wind and solar,
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像是水力、風力，和太陽能發電，
05:00
and the pace and the scale
of this transformation
of this transformation
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這項轉變的步調以及規模
05:03
has been absolutely mind-blowing.
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十分讓人興奮。
05:05
Let me give you a couple of statistics
to show you what I mean.
to show you what I mean.
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讓我用一些統計數字
來說明我的意思。
來說明我的意思。
05:08
China leads the world
when it comes to hydropower,
when it comes to hydropower,
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在水力發電上，中國領先全世界，
05:11
with a third of total capacity.
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佔總發電量的三分之一。
05:13
There's enough for every Chinese citizen
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那足夠讓每一位中國公民
05:16
to power two homes in a single year
from hydropower alone.
from hydropower alone.
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光用水力發電就能供應
兩個家庭一年份的電力。
兩個家庭一年份的電力。
05:20
You may have heard
of the Three Gorges Dam,
of the Three Gorges Dam,
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你們可能有聽過三峽大壩，
05:23
pictured here,
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這是它的照片，
05:24
which is the largest
power station in the world,
power station in the world,
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它是世界上最大的發電站，
05:26
and it's powered by water.
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且是由水力來發電的。
05:28
In terms of wind power,
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在風力發電方面，
05:29
China has a third of the global capacity.
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中國佔了全世界總量的三分之一。
05:32
This makes it the number one
leader by far.
leader by far.
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目前為止中國是世界第一。
05:35
When we look at solar,
China's also leading.
China's also leading.
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至於太陽能，中國也領先全球。
05:38
In fact, they crushed their 2020 target
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事實上，他們已經
達到了 2020 年的目標，
達到了 2020 年的目標，
05:42
of installing 105 gigawatts
of solar power.
of solar power.
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1050 億瓦的太陽能。
05:45
This is after the government
already revised upwards
already revised upwards
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且在這之前，政府就已經數次
05:48
several times its solar energy target
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於 2009 到 2015 年間
向上修正其太陽能目標。
向上修正其太陽能目標。
05:51
between 2009 and 2015.
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05:54
Last year, in seven months alone,
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去年，僅在七個月份內，
05:57
China was able to install
a whopping 35 gigawatts of solar power.
a whopping 35 gigawatts of solar power.
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中國就產生了驚人的
350 億瓦太陽能電力。
350 億瓦太陽能電力。
06:02
This is more than half
of what the US has combined in total
of what the US has combined in total
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超過美國總量的一半，
06:05
and China did this
in just seven months alone.
in just seven months alone.
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且中國只用了七個月就達到。
06:09
We can verify this remarkable growth
in solar power from space,
in solar power from space,
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我們可以從太空來驗證
中國在太陽能上的驚人成長，
中國在太陽能上的驚人成長，
06:13
like the startup SpaceKnow
has done in this slide.
has done in this slide.
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像這張投影片上的，
是新公司 SpaceKnow 所做的。
是新公司 SpaceKnow 所做的。
06:16
By 2020, China is on track to generate
Germany's entire electricity consumption
Germany's entire electricity consumption
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到 2020 年時，中國將能夠
光靠風力和太陽能發電，
光靠風力和太陽能發電，
就能產生出德國的全國電力消耗量。
06:22
from just wind and solar power alone.
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06:25
It's pretty darn remarkable.
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這是相當了不起的。
06:28
And we see some evidence now
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現在已有證據顯示，
06:30
that China's efforts on clean energy
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中國在乾淨能量上所做的努力
06:32
is actually having an effect,
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是真的有影響，
06:34
not just on air pollution reduction,
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不只是讓空氣污染減少，
06:36
but also on global climate change,
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也改善全球的氣候變遷，
06:38
where China has the world's
largest carbon footprint.
largest carbon footprint.
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因為中國有世界上最大的碳足跡。
06:42
If we look at some of the data,
we can see that China's coal consumption
we can see that China's coal consumption
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從資料來看，我們可以
發現中國的煤消耗量
發現中國的煤消耗量
06:46
may have already reached a peak
as early as 2013.
as early as 2013.
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可能早在 2013 年
就已經達到高峰。
就已經達到高峰。
06:50
This is a major reason
why China's government announced
why China's government announced
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主要是因為這個原因，
讓中國政府宣佈
讓中國政府宣佈
06:53
that actually they've already achieved
their 2020 carbon reduction pledge
their 2020 carbon reduction pledge
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他們已經達成了
2020 年的碳減量誓言，
2020 年的碳減量誓言，
06:58
ahead of schedule.
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超前進度。
07:00
This reduction in coal consumption
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煤消耗量的減少
07:02
is also directly driving
improvements in air quality
improvements in air quality
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也會直接促成全國各地
空氣品質的改善，
07:05
across the country,
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07:06
as I've shown here in blue.
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在這裡我用藍色標示。
07:09
In most major Chinese cities,
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在中國大部分的大城市，
07:10
air pollution has fallen
by as much as 30 percent.
by as much as 30 percent.
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空氣污染已經下降 30% 之多。
07:14
And this reduction in air pollution
is actually leading people
is actually leading people
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而空氣污染的減少，
讓中國人民能夠更長壽，
07:17
to live longer lives in China,
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07:19
on average two and a half years more
than they would have in 2013.
than they would have in 2013.
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平均來說，比 2013 年
多出 2.4 年的壽命。
多出 2.4 年的壽命。
07:25
In yellow, we can see
the cities that have experienced
the cities that have experienced
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標示黃色的城市是空氣品質
07:28
the greatest improvements in air quality.
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改善最多的城市。
07:31
But of course, as I mentioned
at the beginning of this talk,
at the beginning of this talk,
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但，當然，就像
我在演講一開頭說的，
我在演講一開頭說的，
07:34
we have to temper some of this optimism
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我們也不能樂觀過頭，
07:36
with a healthy dose of caution,
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還是要有適量的留心，
07:38
and that's largely because
the data are still being determined.
the data are still being determined.
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因為大部分的資料還在判讀中。
07:43
At the end of last year,
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去年年底，
07:45
after roughly three years
of pretty steady global carbon emissions,
of pretty steady global carbon emissions,
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在全球碳排放很穩定地
維持了大約三年之後，
維持了大約三年之後，
07:49
scientific projections suggest
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科學預測指出
07:51
that global emissions
may be on the rise again
may be on the rise again
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全球排放量可能又會再次上升，
07:54
and that could be due to increases
in China's fossil fuel consumptions,
in China's fossil fuel consumptions,
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原因可能是因為中國
對化石燃料的消耗增加，
對化石燃料的消耗增加，
07:58
so they may not have reached
that peak that I showed earlier.
that peak that I showed earlier.
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所以，中國可能還沒有達到
我先前所呈現的高峰。
我先前所呈現的高峰。
08:02
But of course, the statistics
and the data are still murky
and the data are still murky
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但，當然，統計數字
和資料都仍然很模糊，
和資料都仍然很模糊，
08:05
and that's because China regularly revises
its coal statistics after the fact.
its coal statistics after the fact.
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那是因為中國常常在看到事實後，
修正它對煤的相關統計數字。
修正它對煤的相關統計數字。
08:11
Actually, it's funny,
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其實，挺好笑的，
08:12
since I've been here I've been
having a debate on Twitter
having a debate on Twitter
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在我來這裡之前，我還一直在推特上
和其他的氣候建模者辯論，
08:15
with other climate modelers,
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08:16
trying to figure out
whether China's carbon emissions
whether China's carbon emissions
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試圖想要了解中國的碳排放
08:19
have gone up, gone down or whether
they're staying relatively stable.
they're staying relatively stable.
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是攀升或下降，
或一直維持相對的穩定。
或一直維持相對的穩定。
08:24
And of course, China is still
a rapidly developing country.
a rapidly developing country.
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當然，中國是個仍然在
快速發展中的國家。
快速發展中的國家。
08:28
It's still experimenting
with a range of policies,
with a range of policies,
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它還在經歷各種政策，
08:30
like dockless bike sharing,
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比如無固定停車點的共享單車，
08:32
which has been hailed as a possible
sustainable transport solution.
sustainable transport solution.
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這政策被讚譽為永續交通的
一個可能解決方案。
一個可能解決方案。
08:36
But then we have images
of this bicycle graveyard
of this bicycle graveyard
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但接著我們看到的是
這種自行車墳場的景像，
這種自行車墳場的景像，
08:40
that tell a more cautionary tale.
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訴說一個更謹慎的故事。
08:42
Sometimes, solutions can move too fast
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有時，解決方案可能會跑太快，
08:45
and outpace demand.
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趕過了需求。
08:47
And of course,
coal is still king in China,
coal is still king in China,
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當然，煤在中國仍然居王位，
08:51
at least for now.
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至少目前是如此。
08:53
So why should we care about
what China is doing on the environment?
what China is doing on the environment?
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所以，我們為什麼應該要在乎
中國對環境做了什麼？
中國對環境做了什麼？
08:57
Well, what China does at home
on the environment
on the environment
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中國在國內對環境所做的事，
09:00
can have global implications
for the rest of us.
for the rest of us.
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對我們其他人來說，
可能會有全球性的意涵。
可能會有全球性的意涵。
09:02
To borrow a line from Chai Jing,
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借用柴靜的話，
09:04
we're all under the same dome,
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我們都在同一個穹頂之下，
09:06
and air pollution that originates in China
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而發源自中國的空氣污染
09:09
can travel beyond its borders
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可能會移動到國界之外的地方，
09:11
and affect populations
as far away as those in North America.
as far away as those in North America.
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影響範圍可能遠至北美人口。
09:16
China's not only exporting air pollution,
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中國不只是在出口空氣污染，
09:18
but they're also exporting aid,
infrastructure, technology abroad.
infrastructure, technology abroad.
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他們也把援助、基礎設施、
技術出口到國外。
技術出口到國外。
09:24
President Xi Jinping in 2013 announced
the One Belt, One Road Initiative,
the One Belt, One Road Initiative,
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2013 年，領導人習近平
宣佈了「一帶一路」計畫，
宣佈了「一帶一路」計畫，
09:29
a massive, one-trillion-US-dollar
infrastructure investment project
infrastructure investment project
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它是一個大規模、一兆美元的
基礎設施投資專案，
基礎設施投資專案，
09:34
in more than 60 other countries.
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投資超過六十個國家。
09:36
And historically, when we've seen
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根據歷史，
09:38
that China has made
these infrastructure investments abroad,
these infrastructure investments abroad,
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當中國對國外進行
這類基礎設施投資，
這類基礎設施投資，
09:41
they haven't always been clean.
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不見得都是乾淨的。
09:43
The Global Environment Institute,
a Chinese civil society group,
a Chinese civil society group,
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全球環境研究所是一個
中國的公民社會團體，
中國的公民社會團體，
09:47
found that in the last 15 years,
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他們在過去十五年間發現
09:49
China has invested in more
than 240 coal-fired power plants
than 240 coal-fired power plants
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中國已經投資了
超過 240 座燃煤發電廠，
超過 240 座燃煤發電廠，
09:53
in more than 68 countries
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位在超過 68 個國家中，
09:55
affiliated with the One Belt,
One Road Initiative.
One Road Initiative.
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都是和一帶一路專案有關的國家。
09:58
That's more than a quarter of China's
own domestic coal-fired capacity
own domestic coal-fired capacity
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也就是說，中國國內的
燃煤發電量有四分之一
燃煤發電量有四分之一
10:02
that is exported abroad.
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被出口到國外去。
10:04
So we can see that even though
China is cleaning up at home,
China is cleaning up at home,
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所以，雖然中國把自家清理乾淨了，
10:08
it's exporting some of that pollution
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卻是把其中一些污染出口
10:11
to other countries,
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到其他國家，
10:12
and greenhouse gas emissions
simply don't have a passport.
simply don't have a passport.
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因為溫室氣體的排放是不需要護照的。
10:16
So when we're trying
to evaluate this question
to evaluate this question
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所以，當我們還在評價
中國是否有確實地
中國是否有確實地
10:18
of whether or not China
is actually leading,
is actually leading,
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在帶頭處理這些問題時，
10:20
we can see it's still
very much an open debate.
very much an open debate.
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可以發現，這還有得辯論
沒有確定的答案。
沒有確定的答案。
10:24
But time is running out.
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但時間快用完了。
10:25
I've studied the climate models,
and the outlook is not good.
and the outlook is not good.
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我一直在研究氣候模型，
前景並不樂觀。
前景並不樂觀。
10:29
We still have a gap
between current policies
between current policies
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若想要避免危險的氣候變遷
目前的政策仍不足以應付。
10:32
and what needs to happen if we want
to avoid dangerous climate change.
to avoid dangerous climate change.
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10:37
Leadership is what we desperately need,
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地球迫切需要的是領導力，
10:39
but it's not coming
from the US, for example.
from the US, for example.
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但它不會來自美國，舉例來說。
10:42
The US administration last June
announced its intent
announced its intent
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去年六月，美國政府宣佈美國打算
10:45
to withdraw from
the Paris Climate Agreement,
the Paris Climate Agreement,
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退出巴黎氣候協議，
10:48
so now people are looking towards China
to fill that leadership void.
to fill that leadership void.
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所以現在大家都期望中國
來補上這個領導的空缺。
來補上這個領導的空缺。
10:52
So China is very much in the driver's seat
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所以中國可說是坐在駕駛座上，
10:54
determining our global
environmental future.
environmental future.
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決定我們全球環境的未來。
10:57
What they do on carbon trading,
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他們在碳交易、乾淨能源，
10:59
on clean energy, on air pollution,
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及空氣污染上所採取的行動，
11:03
we can learn many lessons.
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有很多可以讓我們學的。
11:05
One of those lessons is that clean energy
is not just good for the environment,
is not just good for the environment,
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能學到的其中一點就是
乾淨能源不只是對環境很好，
乾淨能源不只是對環境很好，
11:10
it can save lives
by reducing air pollution.
by reducing air pollution.
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還因減少空氣污染而拯救生命。
11:13
It's also good for the economy.
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它也對經濟有益。
11:15
We can see that last year,
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我們知道在去年，
11:17
China was responsible
for 30 percent of the global growth
for 30 percent of the global growth
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全球綠色工作成長中
有 30% 是中國的貢獻。
11:20
in green jobs.
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11:21
The US? Only six.
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美國的貢獻？僅 6%。
11:24
So the picture that I just painted for you
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所以，我剛剛向各位描述的情況，
11:27
hopefully seems much different
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希望和那些模糊、朦朧的
11:29
from those murky,
foggy air quality statistics
foggy air quality statistics
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空氣品質統計數字有所不同，
11:32
to a much clearer picture
of China's clean energy.
of China's clean energy.
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希望我有更清楚地闡述了
中國的乾淨能源狀況。
中國的乾淨能源狀況。
11:36
And even though China
is headed in the right direction,
is headed in the right direction,
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雖然中國在朝著正確的方向前進，
11:39
we know that there's still
a very long road ahead.
a very long road ahead.
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我們知道還有很長的路要走。
11:42
So let me ask you once more:
Is seeing believing?
Is seeing believing?
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所以，讓我再問各位一次：
眼見就為實嗎？
眼見就為實嗎？
我們能否相信
資料和統計數字所顯示的
資料和統計數字所顯示的
11:45
Can we trust the data and the statistics
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11:47
that show that China's
air quality is coming down
air quality is coming down
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中國不好的空氣品質正在緩和中，
11:51
and that its war on coal
is actually having an effect?
is actually having an effect?
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中國對抗燃煤的戰爭真的有成？
11:55
Well, let's take a look
at some of the latest satellite images
at some of the latest satellite images
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咱們來看一些最新的衛星影像，
11:58
of China's solar power installations.
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了解中國的太陽能設施。
12:02
I want you to look
very closely at this image.
very closely at this image.
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請各位非常仔細地看這張影像。
12:06
Can you see?
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你們能看見嗎？
12:08
The proof may just be in the pandas.
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證據可能就在熊貓裡。
12:11
Thank you so much.
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非常謝謝各位。
12:12
(Applause)
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（掌聲）
ABOUT THE SPEAKER
Angel Hsu - Environmental data scientistAngel Hsu is a professor and data geek who applies data-driven methods to solve challenging environmental issues.
Why you should listen
Angel Hsu is a professor, researcher, writer and speaker who spends much of her time analyzing large datasets to develop policy solutions to the world's most pressing environmental problems, such as climate change and air pollution. As she writes: "I work between the push and pull of data science and public policy, and this passion drives me to explore how new technologies, analytical techniques and communication strategies can improve governance and lead to better environmental outcomes in rapidly developing countries like China."
Hsu is jointly appointed at Yale-NUS in Singapore at Yale's School of Forestry and Environmental Studies. She founded and directed Data-Driven Yale, an international team of interdisciplinary researchers, scientists, programmers and visual designers. Under her direction, Data-Driven Yale works collaboratively with scholars and practitioners around the world to collect, transform and communicate information, creating new knowledge and policy tools designed to make the world greener and healthier. Her work has been published in scientific journals like Nature and Nature Climate Change and featured in media like The Economist and the New York Times.
Angel Hsu | Speaker | TED.com