What has caused the increase in disastrous floods, and can't the government do something to mitigate the issue?
Poor or no drainage is one of the main cause of flooding.
Some heavy rainfall (and with some other natural disasters) can also cause flooding. The flood that submerged one third of Pakistan last year would be beyond drainage. Although some flood would have been avoid if drainages are well constructed and if people are not turning the drainages into a dumping ground.
The one that happened in Southern Nigeria last year was as a result of heavy rainfall and displace of water from dams in Nigeria and in Cameroon which caused it.
Flood is a natural disaster. Not that some people intentionally caused flooding, but in the process of preventing flooding from occuring, and also saving lives during flooding, some people are provided with jobs and they are making money.
Yes, a flood is a natural disaster; however, my concern is how to manage it in such a way that it won't be disastrous. I know there are ways the government can manage it for example building infrastructures like leves, that will serve as defense, having good drainage system.