The Big Apple prepares itself for the storms that are likely to impact the city over the next few decades.

In the aftermath of Hurricane Sandy, the city of New York immediately started looking for ways to protect the city from future environmental disasters. Some of the ideas included sea walls, floating barriers islands and reefs.

What started as a debate about whether to defend or adapt, has since turned into a $20 billion proposal that aims to do both. Mayor Bloomberg wants to use a combination of removable sea walls, levees and other defences alongside adaptive methods such as marshes and better flood-proofing in homes.

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