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More than 40% of the earth's land is dry land. Nearly two billion people, one third of the world's population, live in dry land areas. The worst ecological environment is often accompanied by the most extreme poverty. Take the Middle East as an example, the hot and dry environment makes most of the land in the Middle East unable to grow plants normally, which leads to more disasters. Therefore, I propose a proposal that recycling cities and other waste materials can alleviate the Dryland environment, improve the survival rate of plants, create economic benefits, and improve the quality of life It is a new way to control desertification.