Flowers burst out of old tires and rows of pepper plants fill recycled plastic tubs as herbs pop out of old pipes. As utilitarian as it is cheery, this rooftop array is one of several urban agriculture projects that are significantly improving livelihoods for the urban poor in this sprawling city.

Delays in finalising Malawi’s climate change policy, which has been in the making for the last three years, are affecting millions of families living in disaster-prone areas across this southern African nation, says the country’s minister of environment and climate change management Halima Daudi.