The populous green agricultural town of Guide is set against arid loess landscapes, its lush vegetation are fed by multiple reservoirs situated further up the Yellow River. Desertification poses major environmental and ecological threats to about one-third of the Earth, according to a 2004 United Nations study. China has had some success curbing the spread of its own deserts, though they are still getting bigger. State Forestry Administration data shows that in the late 90s the country’s deserts were expanding by 10,400 square km a year, it has since dropped by twothirds, to 2,424 square km a year. The efforts of slowing the advance of deserts has been made by, The Green Great Wall, a government tree planting program and it is estimated that by 2050, the artificial forest is to stretch 400 million hectares, covering more than 42 percent of China’s landmass.