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Question
In _____A_____an international treaty, known as the _________B_________, was signed to control the emission of ozone depleting substances.
In _____A_____an international treaty, known as the _________B_________, was signed to control the emission of ozone depleting substances.
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Solution
The correct option is C A - 1987, B - Montreal Protocol
The high concentration of the ozone found in the stratosphere is called the ozone layer. It covers the entire planet and protects life on Earth by absorbing harmful ultraviolet radiation from the sun.
When pollutants like chlorofluorocarbons (CFCs) enter into the stratosphere, they deplete the ozone layer by converting ozone into oxygen and thus the harmful UV radiations reach the earth surface.
In 1987 an international treaty, known as the Montreal Protocol, was signed to control the emission of ozone depleting substances. However, it is effective from 1989.
The main points of the agreement are:
- Limit the production and use of ODS (Ozone Depleting Substances).
- Help the developing countries to implement the use of alternatives to chlorofluorocarbons.
- Phasing out of ODS
Hence option c is correct.
Kyoto Protocol (1997) is an international treaty aimed to reduce the emission of greenhouse gases that contribute to global warming.
The high concentration of the ozone found in the stratosphere is called the ozone layer. It covers the entire planet and protects life on Earth by absorbing harmful ultraviolet radiation from the sun.
When pollutants like chlorofluorocarbons (CFCs) enter into the stratosphere, they deplete the ozone layer by converting ozone into oxygen and thus the harmful UV radiations reach the earth surface.
In 1987 an international treaty, known as the Montreal Protocol, was signed to control the emission of ozone depleting substances. However, it is effective from 1989.
The main points of the agreement are:
- Limit the production and use of ODS (Ozone Depleting Substances).
- Help the developing countries to implement the use of alternatives to chlorofluorocarbons.
- Phasing out of ODS
Kyoto Protocol (1997) is an international treaty aimed to reduce the emission of greenhouse gases that contribute to global warming.
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