Just two years ago, Hurricane Sandy knocked out power stations and shut down Wall Street.

Now, Scientists say by the middle of this century, low lying areas from Boston to Baltimore will flood frequently due to climate change, with recovery becoming increasingly expensive. A storm on the level of Hurricane Sandy could cost as much as $90 billion in 2050.

These kinds of changes in the weather will put increasing pressure on state and local governments to boost their financial resilience. 

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