This event is part of inspiring all Cambodian citizens to better understand the impact of air pollution which affected on health and environment. How can we work together to reduce the usage and pollution of the environment? In addition, to encourage the private sector, communities and individuals together find sustainable solutions and reduce air pollution come from all types of waste, especially plastic waste, and for participating in environmental protection in Cambodia. The NGO Forum on Cambodia through the Environment and Agriculture Program has been has actively participated with the Ministry of Environment. Taking part of National Environment and World Environment Day 05 June. In the morning, 05 June 2019, Mr. TEK Vannara, Executive Director of The NGO Forum on Cambodia participated in the event which hosted by the Ministry of Environment in collaboration with Poitet city Authorities of Banteay Meanchey province to host this day at Prom Nimit Primary School, Banteay Meanchey province’s Poipet city, under the theme of “Together to Prevent Air Pollution”. There were approximately 1,000 participants joined this event, who are from local people, provincial governor, CSOs, NGOs, private sector, students, teachers and journalists.