結果 : when was the montreal protocol first ratified
6:00

History of the Montreal Protocol

Karina Adcock
10,473 回視聴 - 6 年前
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Must Watch | What is the Montreal Protocol? Environmental Treaties | Business Standard

Business Standard
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Understanding the Montreal Protocol

CGTN Africa
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The Montreal Protocol | When Science Mattered

UNFTR Media
509 回視聴 - 11 か月前
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A Look Back at the Montreal Protocol

NASA Video
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Whatever happened to the hole in the ozone layer? - Stephanie Honchell Smith

TED-Ed
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Why you don’t hear about the ozone layer anymore

Vox
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What can AMR experts learn from the Montreal Protocol?

Global Strategy Lab
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2:56

Ozone and Montreal protocol

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19,657 回視聴 - 7 年前
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NASA Sees Definitive Evidence of the Montreal Protocol's Success

NASA Goddard
287,992 回視聴 - 6 年前
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Climate Change: Lessons from the Montreal Protocol

Carnegie Council for Ethics in International Affairs
8,259 回視聴 - 16 年前
1:10:42

The Montreal Protocol on Substances that Deplete the Ozone Layer

SDTV
320 回視聴 - 8 年前 に配信済み
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World Ozone Day l Montreal Protocol

learning and Sharing
347 回視聴 - 2 年前
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BOC - The Montreal Protocol

BOC South Pacific
533 回視聴 - 9 年前
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For the FIRST TIME EVER, the entire world agrees on something! || The Montreal Protocol

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427 回視聴 - 2 年前
7:54

The Holes in the Ozone Layer and CFCs

swrm
296 回視聴 - 4 年前
7:43

All about Montreal Protocol in 10 minutes

Sleepy Classes - Govt. Jobs & CUET
37,591 回視聴 - 2 年前
12:02

What if the Montreal Protocol was never signed?

Ross Wales
83 回視聴 - 2 年前
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CFCs and The Montreal Protocol

Zach Ostermann
57,106 回視聴 - 7 年前
17:32

25th Anniversary Documentary - Montreal Protocol on Substances that Deplete the Ozone Layer

DENR- PAO
15,554 回視聴 - 11 年前