The United Nations Convention (UNC) says that about six million Sahelian citizens would have to give up the desertified zones of sub-Saharan Africa for North Africa and Europe between 1997 and 2020.
联合国大会称在1997-2020年间有600万萨赫勒公民将离开荒芜的撒哈拉以南地区前往北非或欧洲。