I've heard it said before that the wars of the 21st Century will be fought over water, not oil. Let's hope this isn't a taste of things to come, as the Chinese attempt to deal with their massive water shortage in the north by diverting water from the south, which has got the Indians concerned it's going to divert water running off the Himalayas away from them ...
At the same time, even parts of southern China are facing drought, something that's pretty unusual.