FILE - Filao trees form a curtain that protects the beginning of the Great Green Wall, planted to slow coastal erosion along the Atlantic Ocean, in Lompoul village near Kebemer, Senegal, Nov. 5, 2021. Locals living in once-heavily forested regions across Africa are starting to find their land in high demand as governments and companies seek to improve their climate credentials through carbon credit schemes, where tree-planting offsets carbon dioxide emissions. (AP Photo/Leo Correa, File)