The amount of heat already stored in the oceans is believed to be sufficient to raise sea levels by 4-7 metres as the great ice shields in Greenland and Antarctic collapse. Storm surges and peak tides could double the seas penetration. Some of the consequences would be:
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Discussion Points:
Destruction of infrastructure and coastal housing, industry etc
Drowning harbours with lack of petrol, food and replacements, repairs and medical
What will happen to money and credit? Will the banks and credit cards survive?
The communal grief when our lifestyle disappears, shopping centres close, etc
International conflict, there are enough scenarios right now
Produce a billion refugees (both overseas and a million of our own)
Inevitable imposition military/police control, breaking down into local armed gangs
Government would block the internet and phones, start rationing, draconian resettlement