Which is considered a long-term solution to drought in Africa?

They need to stabilize their environment and their government too. They must overcome the civil wars that erupt so often. What's the point of stabilizing the environment if there is no means of enforcing the law? How can people be expected to worry about the future of their farms and natural landscapes if they're worried about keeping themselves alive? Fear of shootings or or wholesale burning of villages will always trump concerns about preservation or conservation. They need infrastructure too.