Floods : the global threat

Worldwide, some 136 port cities, rich or poor, are threatened by flooding , especially those situated on deltas.

At the origin of this phenomenon : global warming and rising water of course , but also land subsidence , called subsidence , and the proliferation of dams (45 000 at the earth’s surface). Shanghai , Bangkok , Tokyo, Jakarta and Dhaka … : Asian cities, the explosive growth , are the most exposed . How to prevent these disasters, disastrous human and economic consequences ?