There was an article from 2016 also on HN today about the risk. Three different experts were quoted saying something along the lines "nothing will be done now,

There was an article from 2016 also on HN today about the risk. Three different experts were quoted saying something along the lines "nothing will be done now, we need to wait for the big flood and 2-4 years after we will build a wall". The "wall" (actually a more complex thing) was projected to cost 8 bil. A bad flood like the one from today was projected to cost 70+, but people were hoping that we have around 10-20 years to prepare