Faced with increased urban flooding, China is seeking to create “sponge cities” that can absorb water. China’s rapid urbanisation has been accompanied by increased rates of urban flooding. The number of Chinese cities affected by floods has more than doubled since 2008. While water management was integrated into traditional Chinese urban development, the last 40 years have…

Almost half of the children in New Delhi are suffering irreversible lung damage because of the toxic levels of air pollution in the city. A number of factors make children particularly vulnerable to air pollution. They have lower immunity than adults and their respirtory tracts are easier for pollutnants to penetrate. Also particulate matter is concentrated…