2019
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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China
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India
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Japan
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US
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Detailed explanation-1: -China has been illegally emitting Trichlorofluoromethane or CFC-11 - the banned ozone-depleting chemical - according to the research published in the journal Nature this week. CFC-11 was phased out under the 1987 Montreal Protocol.
Detailed explanation-2: -The Montreal Protocol Adopted on 16 September 1987, the Protocol is to date one of the rare treaties to achieve universal ratification.
Detailed explanation-3: -By banning new production and use of CFCs, the Montreal Protocol eliminated a significant contributor to climate change, avoiding a potential additional global temperature increase of 0.5 to 1 degree Fahrenheit by 2100.
Detailed explanation-4: -The Montreal Protocol sets binding progressive phase out obligations for developed and developing countries for all the major ozone depleting substances, including chlorofluorocarbons (CFCs), halons and less damaging transitional chemicals such as hydrochlorofluorocarbons (HCFCs).
Detailed explanation-5: -In 1978 CFC-based aerosols were banned in the United States, Norway, Sweden, and Canada.