On a sunny January morning in El Max, west of Egypt’s second city, Alexandria, where a canal meets the Mediterranean Sea, Ahmed Gaz is untangling his fishing net on the beach after landing his catch at dawn. Like almost everyone in the neighbourhood, Gaz was born and raised by the water, destined to fish for a living: “My whole life is in the sea. My life, my work and my livelihood.” Alexandria is one of the world’s sinking cities, along with Venice, Miami, Lagos, Jakarta and others. An IPCC report predicts that with global sea levels rising at the current