The poorest communities (and poorest countries) are leading the world in learning about and practising adaptation to climate change. The rich would do well to learn from them.
The farmers of southern Bangladesh have seen it all: cyclones, catastrophic flooding, silted-up rivers and creeping salination. Their South Asian homeland — a wedge of the tropics regularly exposed to searing heat and heavy monsoons — is one of the most climate-vulnerable countries on Earth.
