Dhaka, Bangladesh; Buenos Aires, Argentina; Rio de Janeiro, Brazil; Shanghai and Tianjin in China; Alexandria and Cairo in Egypt; Mumbai and Kolkata in India; Jakarta, Indonesia; Tokyo and Osaka-Kobe in Japan; Lagos, Nigeria; Karachi, Pakistan; Bangkok, Thailand, and New York and Los Angeles in the United States.

They will all have eight million or more people in the near future and all of them are endangered by rising ocean levels. Let’s not forget Washington DC, Miami and London.