Shimla Summer Festival

World Environment Day (WED) is a day that stimulates awareness of the environment and enhances political attention and public action. It is on 5 June. It was the day that United Nations Conference on the Human Environment began. The United Nations Conference on the Human Environment was from 5-16 June 1972. It was established by the United Nations General Assembly in 1972.The first World Environment Day was on 1973. World Environment Day is hosted every year by a different city with a different theme and is commemorated with an international exposition on the week that 5 June is on. World Environment Day is in summer in the Northern Hemisphere and winter in the Southern Hemisphere.

"Stockholm was without doubt the landmark event in the growth of international environmentalism," writes John McCormick in the book Reclaiming Paradise. "It was the first occasion on which the political, social and economic problems of the global environment were discussed at an intergovernmental forum with a view to actually taking corrective action."