The Great Green Wall: A drive-by tour of bio-resistance to the Sahara, with African music stars a'plenty
      
        
          
        
      
      
        ReviewJim SlotekThe Great Green Wall, African desertification, Sahara, Environmental issues, Documentaries, Boko Haram, Music for humanitarian causes, Inna Modja, United Nations Convention to Combat Desertification, Biz Stone, Songhoy Blues, Betty G, Ethiopia