“At present, despite past climatic shocks (drought) and ongoing changes, Sahelian countries are selfsufficient in cereals when there is no price distortion or distortion due to external geopolitical factors. Field research not only opened up the debate on regreening but also the debate on agrosystem resilience. … [A]t least 25 major papers were published between 1998 and 2010 showing the regreening of the Sahel before this point was accepted as fact.”