વિશ્વ પર્યાવરણ દિવસ ક્યારે ઉજવવામાં આવે છે? A. 5^th એપ્રિલ B. 15^th મે C. 5^th જૂન D. 15^th જુલાઈ

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.