Prostitution in China of such measures was to gradually reduce the number of brothels in each city until the point where a "Beijing-style" closure of the remaining brothels was deemed feasible and reeducation could begin. Reeducation programs were undertaken on the largest scale in Shanghai, where the number of sex workers had grown to 100,000 following the Second Sino-Japanese War. By the early 1960s, such measures had basically wiped out visible forms of prostitution from mainland China. According to the People's Republic of China (PRC) government, venereal diseases were almost completely eliminated from the mainland contemporaneously with the control of prostitution. To mark
Water supply and sanitation in China built in the city of Nanjing. Subsequently, China engaged in what is possibly the largest wastewater treatment investment program in history. It has been estimated that in 2006 there was sufficient capacity to treat 52% of municipal residential wastewater. According to the State Environmental Protection Agency the rate of urban wastewater treatment reached 57% in that year. The government's goal to achieve a level of 60% for treatment of municipal wastewater by 2010 was surpassed. By 2010, 77.5% of domestic waste water was treated. Between 2001 and 2004, the number of cities that charge wastewater tariffs has increased from 300