Why is the world warming up? | Kristen Bell + Giant Ant

167,714 views ใƒป 2020-10-13

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

00:00
Transcriber: TED Translators Admin Reviewer: Rhonda Jacobs
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ืชืจื’ื•ื: Sigal Tifferet ืขืจื™ื›ื”: Shlomo Adam
00:02
Why is the world warming up?
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ืžื“ื•ืข ื”ืขื•ืœื ืžืชื—ืžื?
00:06
Let's think of Earth for just a moment as a greenhouse.
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ื—ืฉื‘ื• ืœืจื’ืข ืขืœ ื›ื“ื•ืจ ื”ืืจืฅ ื›ืื™ืœื• ื”ื™ื” ื—ืžืžื”.
00:10
Every second, a huge amount of energy smashes into our greenhouse.
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ื‘ื›ืœ ืฉื ื™ื™ื”, ื›ืžื•ืช ืขืฆื•ืžื” ืฉืœ ืื ืจื’ื™ื” ืžืชืจืกืงืช ืœืชื•ืš ื”ื—ืžืžื” ืฉืœื ื•.
00:16
Our atmosphere, the glass roof and walls,
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ื”ืื˜ืžื•ืกืคื™ืจื” ืฉืœื ื•, ื”ื’ื’ ื•ืงื™ืจื•ืช ื”ื–ื›ื•ื›ื™ืช,
00:20
reflects some of that energy,
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ืžืฉืงืคื™ื ื‘ื—ื–ืจื” ื—ืœืง ืžื”ืื ืจื’ื™ื” ื”ื–ื•,
00:22
but most of it passes right through and heats everything up.
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ืื‘ืœ ืจื•ื‘ื” ื—ื•ื“ืจืช ื™ืฉืจ ืคื ื™ืžื” ื•ืžื—ืžืžืช ืืช ื”ื›ืœ.
00:27
Much of that heat used to escape back into space,
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ื‘ืขื‘ืจ, ื”ืจื‘ื” ืžื”ื—ื•ื ื”ื–ื” ื‘ืจื— ื—ื–ืจื” ืœื—ืœืœ,
00:29
keeping us at a stable, warm temperature.
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ื•ื›ืš ื ืฉืืจื ื• ื‘ื˜ืžืคืจื˜ื•ืจื” ื—ืžื™ืžื” ื•ื™ืฆื™ื‘ื”.
00:33
But then something changed.
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ืื‘ืœ ืื– ืžืฉื”ื• ื”ืฉืชื ื”.
00:36
Humans began to spew enough carbon dioxide to fill billions of greenhouses each day.
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ื‘ื ื™ ื”ืื“ื ื”ื—ืœื• ืœืคืœื•ื˜ ื“ื• ืชื—ืžื•ืฆืช ื”ืคื—ืžืŸ ื‘ื›ืžื•ืช ืฉื™ื›ื•ืœื” ืœืžืœื ืžื™ืœื™ืืจื“ื™ ื—ืžืžื•ืช ื‘ื™ื•ื.
00:42
What does all that greenhouse gas do?
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ืžื” ืขื•ืฉื” ื›ืœ ื’ื– ื”ื—ืžืžื” ื”ื–ื”?
00:45
It makes the glass of our greenhouse thicker.
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ื”ื•ื ื’ื•ืจื ืœื–ื›ื•ื›ื™ืช ื‘ื—ืžืžื” ืฉืœื ื• ืœื”ื™ื•ืช ืขื‘ื” ื™ื•ืชืจ.
00:48
Thicker glass means heat escapes into space much more slowly.
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ื–ื›ื•ื›ื™ืช ืขื‘ื” ื™ื•ืชืจ ืžืฉืžืขื” ืฉื”ื—ื•ื ื‘ื•ืจื— ืœื—ืœืœ ื”ืจื‘ื” ื™ื•ืชืจ ืœืื˜.
00:52
And don't forget, energy from the sun
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ื•ืืœ ืชืฉื›ื—ื•, ื”ืื ืจื’ื™ื” ืžื”ืฉืžืฉ
00:54
is still streaming in just as quickly as before.
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ืžืžืฉื™ื›ื” ืœื–ืจื•ื ืคื ื™ืžื” ื‘ืื•ืชื” ืžื”ื™ืจื•ืช ื›ืžื• ืงื•ื“ื.
00:57
The result is a planet with temperatures too hot for our liking
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ื”ืชื•ืฆืื” ื”ื™ื ืขื•ืœื ืขื ื˜ืžืคืจื˜ื•ืจื•ืช ื—ืžื•ืช ืžื“ื™ ืœื˜ืขืžื ื•
01:01
and, eventually...
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ื•ืžืชื™ืฉื”ื•...
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living.
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ืœื—ื™ื™ื ื•.
01:08
[Countdown
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[ื”ืกืคื™ืจื” ืœืื—ื•ืจ ื”ื—ืœื”
01:10
Take action on climate change at Countdown.ted.com]
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ืขืฉื• ืžืฉื”ื• ื‘ื ื•ื’ืข ืœืฉื™ื ื•ื™ ื”ืืงืœื™ื ื‘- Countdown.ted.com]
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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