Adapting Cities to Sea Level Rise: Green and Gray Strategies

In 2012, Hurricane Sandy floods devastated coastal areas in New York and New Jersey. In 2017, Harvey flooded Houston. Today in Miami, even on sunny days, king tides bring fish swimming through the streets in low-lying areas. These types of events are typically called natural disasters. But overwhelming scientific consensus says they are actually the result of human-induced climate change and irresponsible construction inside floodplains.

As cities build more flood-management infrastructure...