World Environment Day (June 5, Gregorian)
World Environment Day (June 5, Gregorian) is observed each year on June 5 to raise public awareness about environmental issues and encourage global action for environmental protection.
The observance was first held in 1974, with the aim of drawing worldwide attention to environmental challenges.
It was officially designated in the Gregorian calendar by the United Nations following the 1972 Stockholm Conference on the Human Environment, to emphasize the global importance of environmental protection.
In its inaugural year, more than 100 countries participated in various activities marking the day.
Each year, a specific theme is chosen to focus global attention on a particular environmental challenge.
In Iran and many other countries, educational programs, natural area clean-ups, tree planting, and environmental exhibitions and seminars are organized on this day.
World Environment Day is regarded as one of the most significant global environmental observances, providing an opportunity to reflect on achievements and ongoing challenges in the protection of nature.