World Environment Day is a campaign celebrated every year on 5th of June to solve environmental issues by implementing new and effective plans in order to make environment safe, secure and healthy for better future. It was declared by the United Nations General Assembly in 1972 during the opening of a special conference for environment named as “Stockholm Conference on the Human Environment”. It is a most important day commemorated annually to spread awareness about environment among people all over the world as well as encourage and motivate them to take positive actions regarding clean and beautiful environment on the earth. It is celebrated with lots of preparations as a big event of the year during which political attention and public actions are enhanced. WED was established with various plans, agenda and objectives to remove all the environmental issues from this planet and make it really a beautiful planet. It 150 was necessary to establish this particular event to focus on environmental problems and give people a face to environmental issues. Its celebration helps us to understand the importance of healthy environment for our healthy life as well as to empower public to be the active agents of sustainable and environment-friendly development worldwide. It spreads the common understanding among people that it is must to change their attitudes towards environmental issues to ensure the availability of a safer and more prosperous future to all the nations and peoples. World environment day campaign is run by the United Nations Environment Programme (UNEP). Its headquarters are in Nairobi, Kenya however celebrated in over 100 countries all across the world. It was established in 1972 however celebrated first time in 1973. The celebration event of it is hosted every year by the different city (known as host city) with different theme (declared by the UNGA).