Mauritania is being invaded by typha, a thick type of plant that has sprung up and is growing all over the North African country, destroying other species and even forcing people to leave their homes. However, there is a silver lining. Local scientists have found that the typha reeds also have a use: they can be turned into coal, which is very useful for cooking. Our colleagues from France 2 report.
A programme prepared by Emerald Maxwell, Wassim Cornet and Florence Viala.