It also challenges the established coastal states and cities to reconsider their current high-tax, high-regulation climates if they would like to join the growth party.
Mr Hillier said "one of our previous reports identified we would potentially need three times as much money to maintain that current level of risk" surrounding coastal erosion and flooding "over the next 25 years".
That cold current is the reason why Peru's coastal plain is a desert (whose soil can be made fertile when irrigated by the waters of rivers rushing down from the Andes).