New York City Is Building a Wall of Oysters to Fend Off Floods

From New York City to Texas, localities are using oysters to protect themselves from flooding. They are dropping oysters along the coast for baby oysters to grown on, ultimately leading to the creation of wall-like reefs. The oyster reefs mitigate the blow of big waves during hurricanes. A study showed that reef-protected areas dissipated waves and had 54% less erosion. Building oyster reefs form part of a larger movement known as "green infrastructure" to manage the effects of climate change, as opposed to building concrete infrastructure like sea walls and dikes.

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