The school is on stilts, the shore has advanced by 2km – and the mangroves that used to reduce the waves have been lost for shrimp farms. How long can residents stay ahead of rising sea levels?
Pakistan's federal government is planning to build modern cities on the Bundal and Dingi islands, which could ease pressure on Karachi, the country's financial hub. Experts say it would be an ecological catastrophe.
Big dams and reservoirs in Pakistan are slowly depleting its lush mangroves. The destruction is also affecting local fishermen, who have to look for alternative sources of income.
