जागतिक पर्यावरण दिन केव्हा साजरा केला जातो: A. 5 एप्रिल B. 15 मे C. 5 जून D. 15 जुलै

World Environment Day is celebrated every year on 5 June. It was set up by the UN General Assembly in 1972 at the Stockholm Conference on the Human Environment and was first observed in 1974.