Highlighting the cost alone is not sufficient. Entire Maldives and big parts of Bangladesh going underwater thus resulting in millions of refugees will generate

Highlighting the cost alone is not sufficient. Entire Maldives and big parts of Bangladesh going underwater thus resulting in millions of refugees will generate at most a few outraged tweets and a touching article in some news outlet in USA (something similar in China). For climate change to be taken seriously, one needs to find the lever which will move the powerful actors. For example, leaving oceanfront homes' insurance to market forces. Swing states of Florida and North Carolina will instantly propel this to a big political issue, leaving the party of Free Markets and Climate Change Denial (TM) in an awkward position. Sadly, the politicians on all sides are way too smart to let this happen - they will instead prefer driving issues which sap electorate's attention but affect <5% of the population (transgender bathroom access, extreme cases of the spectrum of abortion issue, marginal tax rate on 0.1% of people etc).