World Environment Day (WED) is celebrated on June 05, 2022 and is a day that stimulates awareness of the environment and enhances political attention and public action. June 5 was the day that United Nations Conference on the Human Environment began in 1972. The United Nations Conference on the Human Environment was from 5 until 16 June 1972. It was established by the United Nations General Assembly in 1972.

The first World Environment Day was in 1973. World Environment Day is hosted every year by a different city with a different theme and is commemorated with an international exposition in the week of 5 June. For example the topic for 2007 was “Melting Ice – a Hot Topic?” while the topic for 2010 was “Many Species. One Planet. One Future.” World Environment Day is in spring in the Northern Hemisphere and fall in the Southern Hemisphere. The Day is similar to Earth Day, which is celebrated annually on April 22.