> Barring moonshot tech breakthrough or militant scaling-down of consumption worldwide, how can we survive?

Just bare with it? The frequent storms, and severe weather frequenting USA in recent years are nothing special in East Asia.

1m Downpour rainfall is an annual event in much of India.

Snowstorms where you see no more than a few meters are also very survivable, and people can adapt to live with them.

Kilometers long storm surges, and multi-decade coastal errosion are also something people learned to live with.