66. The World Environment Day is celebrated on - A.7 April B.6 August C.5 June D.16 June
Option C Solution: World Environment Day (WED) is celebrated annually on 5 June and is the United Nations principal vehicle for encouraging awareness and action for the protection of the environment. First held in 1974, it has been a platform for raising awareness on environmental issue such as marine pollution, human overpopulation, global warming, sustainable consumption and wildlife crime.
