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In which year was the first world environment day observed?
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- 1972
- 1980
- 1973
- 1974
- 1972
Correct Option: C
The World Environment Day (WED) was established by the United Nations General Assembly (UNGA) on the day the United Nations Conference on the Human Environment began in Stockholm, Sweden, on 5 June 1972. The first World Environment Day was hosted in 1973. WED has been celebrated every year on 5 June since then.