Its strange to say that we 'did nothing'. We did a hole lot, the replacement of coal in many places in favor of nuclear, gas, solar wind is decently something. It was mostly not done because of global warming, but it still happened.

One to two generations is a long time.

I have listen to interviews with storm experts and it seems that they are not quite so sure about is then you. That said, it seems that compared to the world economy and what some people suggest, the damage from storms seems quite low.