The problem of waste is now a global one. Public and private sectors must cooperate to address the issue in order to solve the world’s limited resource and energy problem. Plastics are made from limited resource such as petroleum. Like other resources, therefore large advances could be made to recycle plastics wastes. The green and reverse logistics also provides business their bottom-line through good image as well as could reduce cost by using recyclable items form their own waste products. The study was undertaken with the objectives to: (1) study the present status of plastic waste management and the existing Phnom Penh household willingness and their influence factors to segregate plastics for recycling and reuse; (2) study how other cities encourage and obtained the participation of their population in plastics recycling and reuse and (3) recommend which policy the government should implement for plastic waste in Phnom Penh.