Ho Chi Minh City faces a big problem with too much trash and not enough ways to deal with it. The city is looking at ways to reduce the amount of waste that goes into landfills by separating out things like food scraps and recyclables. By using technologies like composting and biogas recovery, they can turn some of the waste into useful products. Burning certain types of waste for energy is also an option. By using these methods, Ho Chi Minh City can move closer to the goal of producing zero waste.