Water shortages also foment civil unrest and often lead to violence and regional conflicts, as we have seen in Darfur, Somalia, Chad, Nigeria and Sri Lanka, among others.

• 饮水短缺还会激起国内动荡，导致暴力和地区冲突，正如我们在达尔福尔、索马里、乍得、尼日利亚、斯里兰卡及其它国家见到的一样。