Match List - I with List - II.

List - I​	List - II                                     ​
(A) Montreal Protocol	(I) Contingent valuation method
(B) Cop 28	(II) Control of CFC
(C) Rio + 20	(III) Climate Conference
(D) Willingness to Accept (WTA)	(IV) Sustainable Development

Choose the correct answer from the options given below:

​

Correct option is A

Correct Option: 1. (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
Information Booster:

• (A) Montreal Protocol → (II) Control of CFC
  The Montreal Protocol (1987) is the international treaty designed to protect the ozone layer by phasing out CFCs and other ozone-depleting substances.
  
• (B) Cop 28 → (III) Climate Conference
  COP 28 (2023) was the 28th Conference of the Parties to the UN Framework Convention on Climate Change held in Dubai.
  
• (C) Rio + 20 → (IV) Sustainable Development
  Rio+20 (2012) was the UN Conference on Sustainable Development held in Rio de Janeiro, focusing on green economy and sustainable development.
  
• (D) Willingness to Accept (WTA) → (I) Contingent valuation method
  WTA is a key concept in contingent valuation method, used to measure how much compensation people require to accept environmental degradation.
  

Additional Knowledge:

• COP stands for Conference of the Parties.
  
• Rio+20 produced the outcome document "The Future We Want".
  
• Contingent valuation is used to value non-market environmental goods.