The countries with money have been constructing storm surge and tidal barriers. Examples from The Netherlands, UK, Russia and Italy.
Above, like volunteer fire brigades, the Netherlands have volunteer flood teams help their communities in the event of breaks in the dikes.
Below the Royal National Lifeboat Institute volunteers.
Below is the 2009 memorial to RNLI volunteers that lost their lives attempting to save people drowning in the UK, Ireland and elsewhere. Artist: Sam Holland. Location: Dorset, UK.