Q. Kigali agreement is _____ amendment to the Montreal Protocol:
Answer: 8th
Notes: The Montreal Protocol is a most effective international environmental treaty to phase out the Ozone Depleting Substances (ODSs) from the atmosphere. The Kigali Amendment, eighth amendment to the Montreal Protocol is legally binding and will come into force from January 1, 2019. The Agreement upholds the principle of Common but Differentiated Responsibilities and Respective Capabilities (CBDR & RC).