In 2002, Dezhou city's environmental impact was studied through an "ecological footprint" calculation. The researchers discovered that each person in Dezhou was using up 1.8045797 hectares of land for resources, but the city only had 0.612618 hectares available per person. This means there was a deficit of 1.1919617 hectares per person. This deficit suggests that Dezhou's current growth is not sustainable. The study analyzed why this is happening, provided solutions, and highlighted some challenges faced during the calculation process.