Wuhan is the sixth largest city in China. One of the major environmental problems in Wuhan is the impacts of disposal of sludge from wastewater treatment plants. Today no sustainable method is applied for sludge disposal and the amount is increasing along with the increasing amount of wastewater treatment plants in the area. Sludge is a resource from which products as nutrients and energy can be retrieved. Therefore it is unsustainable to landfill the sludge as the city of Wuhan chooses to do today. This method also leads to a leakage of nutrients, toxins and other pollutants to the environment. China is recommended to follow the example of Sweden, where landfilling sludge is illegal. In Sweden, five common ways for sludge handling are now applied. These ways are as fertilizer, construction soil, and cover material, for energy production by incineration and for biogas production.