What is net-zero? | Kristen Bell + Giant Ant

226,614 views ・ 2020-10-13

TED


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00:00
Transcriber: TED Translators Admin Reviewer: Rhonda Jacobs
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譯者: Zeddi Lee 審譯者: 潘 可儿
00:01
What is net zero?
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淨零是什麼?
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We release 55 gigatons of greenhouse gases into the air every year.
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我們每年排放 55 億噸 溫室氣體至大氣中。
00:08
To stop global warming,
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為了阻止全球暖化,
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we have to get our greenhouse gas emissions down to zero.
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我們必須將溫室氣體排放量降到零。
00:13
But for every country to immediately shut down
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但是,要每個國家立刻停止
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all greenhouse gas-releasing activities
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所有溫室氣體排放活動
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would be an enormous challenge,
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是一項巨大的挑戰,
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especially since some countries
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因為有些國家
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have built up an economic head start with no restrictions.
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早已建立了沒有限制的經濟體。
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So instead, we can use an approach called net zero.
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但我們可以用一種 稱為「淨零」的方法。
00:30
Net zero means that for every molecule of greenhouse gas we put into the air,
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所謂「淨零」就是我們在大氣中 每排放一個溫室氣體分子,
00:35
we also take one out,
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就要再拿掉一個,
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making our net emissions zero.
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讓我的們淨排放是零。
00:40
Net zero requires us to make big changes today,
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要達成淨零,我們必須 做出一些重大改變:
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use less more efficiently,
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在未來使用量更少,
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and even bigger technological changes for the future,
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但更有效率、更高超的技術,
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like replacing all greenhouse gas-emitting activities with clean ones.
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像是將所有溫室氣體排放活動 改用無排放的方式取代。
00:52
We'll also have to capture greenhouse gases from the air
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我們也必須匯集空氣中的溫室氣體
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and store them permanently.
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並將它們永久貯存起來。
00:57
And yet, net zero is our best chance for a sustainable future.
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如此,淨零才會讓我們有機會 擁有永續的未來。
01:05
[Countdown
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【倒數計時】
01:06
Take action on climate change at Countdown.ted.com]
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【採取行動因應氣候變遷, 請到 Countdown.ted.com】
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