The national strategy on 3R for waste management in Cambodia. GHG reduction due to reduced amount of plastic waste generated and burned. GHG reduction due to recycling of paper / wood. GHG emissions reduction 0.42 MtCO2e/year. Cities and secondary towns. Achieving a recycle process with an environmental and economic purpose contributes to the goal of the environment and sustainability. 1. Low cost for promoting awareness/campaign for public participation. 2.