World Environment Day (WED) is an annual celebration that was commenced in 1974, and is observed on the 5th of June. WED was instigated by the United Nations to promote the protection of the environment, and raise awareness anent environmental problems such as pollution, global warming, urban sprawl, and waste disposal, which affect all the living organisms alike. The continuous growth of WED has been globally acclaimed, with more than 143 countries participating every year. WED promotes a new theme on yearly basis, which are espoused and advocated by governments, NGOs, major corporations, and celebrities all over the world.