montreal protocol effective in which year（関連順）

4:43

The Hole - A film on the Montreal Protocol, narrated by Sir David Attenborough

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1:19

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3:35

Must Watch | What is the Montreal Protocol? Environmental Treaties | Business Standard

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5:11

The Hole - A film on the Montreal Protocol, narrated by Sir David Attenborough

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86,192 回視聴 - 7 年前

2:25

CFCs and The Montreal Protocol

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6:00

History of the Montreal Protocol

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32:49

Montreal Protocol (Explained) | Kigali Agreement (HFC's) |Environment and Ecology for UPSC 2022-2023

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8:35

Why you don’t hear about the ozone layer anymore

Vox

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2:08

The international treaty of Montreal protocol become effective in the year of | 12 | NTA NEET S...

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5:55

A Look Back at the Montreal Protocol

NASA Video

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7:43

All about Montreal Protocol in 10 minutes

Sleepy Classes - Govt. Jobs & CUET

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3:08

Montreal Protocol leads to healing of Earth's ozone layer hole

Down To Earth

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15:14

Montreal Protocol 25th Anniversary

NRDC

4,994 回視聴 - 11 年前

5:13

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

TED-Ed

533,767 回視聴 - 1 年前

1:05

Montreal Protocol and the SDGs

UN Environment Programme

3,187 回視聴 - 7 年前

4:04

UNIDO and the Montreal Protocol

United Nations Industrial Development Organization (UNIDO)

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2:56

Ozone and Montreal protocol

Ilmatieteen laitos

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2:28

World Ozone Day 2022: Celebrating 35 years of Montreal Protocol Success

United Nations Caribbean

98 回視聴 - 1 年前

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