Canadians in China population of 200,000 are from Canada (20,000). The Canadian diaspora in Beijing is a young and well-educated community and is economically active. A significant number of them include Chinese Canadian returnees who emigrated to Canada in the early 1990s and later returned to China. According to local official statistics, the numbers of Canadian citizens residing in Shanghai have increased significantly over the past ten years. In 2000, the city reported 1,361 Canadian citizens living there, representing 2.3% of all foreign residents in the city. By the end of 2009, there are about 6,121 Canadian citizens living in Shanghai. Shanghai's Canadian
Water supply and sanitation in China undertakes research. In terms of foreign NGOs, the NGO Plan, for example, works in China. It is known for having introduced for the first time the concept of Community Led Total Sanitation in China in Puchang County in Shaanxi in 2005. Over the past 20 years, China has engaged in what is possibly the largest program to build wastewater treatment plants in history. Despite the substantial achievements of this program, many challenges remain. Achievements Until the early 1980s, there was not a single municipal wastewater treatment plant in China. In that year, the country’s first municipal wastewater treatment plant was