Question

Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by
A. The Kyoto Protocol
B. The Vienna Convention
C. Rio de Janeiro Conference
D. The Montreal Protocol

Answer 1

Hint:-To protect the ozone layer which is a shield that protects us and our earth from harmful radiations of sun including UV and other harmful rays too. Considering the depletion of our protective layer that is ozone an international treaty was signed at Montreal which is in Canada in the year 1989.

Complete answer:
The ozone is the protective shield for our mother earth and its our moral duty to save, secure and keep it safe from the each and every substances that is found to be harmful for its health and directly to the health of living creatures which involves all the living beings like plants, human beings, marine life, birds, animals etc. Ozone is found in the region of stratosphere of the earth where it absorbs most of the UV radiations and other harmful rays as well. Its been observed that this boon (Ozone layer) is being depleted by the chemical substances which is mainly CFCs that is chlorofluorocarbons which is at top in depleting the ozone layer, Considering all this above problems an international treaty was signed in Canada in the year 1989 at Montreal. Its main aim was to control the emission of ozone depleting compounds in earth’s atmosphere. The treaty evolves over time in light of new scientific, technical and economic developments and it continues to be amended and adjusted. Under this involves parties which have different responsibilities which include controlling of ODS (Ozone depleting substances), controlling its trade, annual reporting of data and many more other responsibilities.
Thus, the right option is D.

Note:- The success of this protocol can be seen from its speed of saving 2 million people each year by 2030 by skin cancer. The largest contribution it has made towards keeping the global temperature rise “Well below” 2 degrees Celsius which is a great target agreed at the Paris climate conference.