A big rise in armed attacks in the Sahel - and the intensity of the attacks in recent years - is now seen as a major source of concern.
Poverty and conflict mean the nation is struggling to deal with rising temperatures.
Gold is both a blessing and a curse for rural Niger.
Burkina Faso is on its way to becoming a healthy and stable democracy – and that's got West Africa's jihadists riled.
Field trials in Senegal show native shrubs can access deep-soil water and make it available to adjacent crops – a technique that could alleviate drought conditions in marginal lands around the world.