Prof. Wu Ka-ming served as a speaker of the conference on Environmental Justice and Sustainable Citizenship in Asia from 22 to 24 May 2017 at Duke Kunshan University in Kunshan, China. Prof. Wu presented a paper entitled “Infrastructure and Ruins: the Case of Waste Treatment in China” n a panel of Urbanization and Ecological Citizenship on 22 May 2017. More information of the Conference can be found at https://igs.duke.edu/events/environmental-justice-and-sustainable-citizenship-asia.