Perspective: Coastal retreat Retreating from Rising Seas Isn’t a Win or a Defeat — It’s Reality

Published 3 September 2019

“Managed retreat” is a controversial response to climate change. It’s the idea that communities and governments should be strategic about moving people away from areas that have become too waterlogged to live in safely. Retreating from coastlines and riversides might have once been considered unthinkable. But across the world, it’s already happening — in Australia, Colombia, Vietnam, and here in the United States. And Indonesia just found itself a new capital. The country’s president, Joko Widodo, announced on Monday that the new seat of government will be on the island of Borneo, hundreds of miles to the northeast of the current capital, Jakarta. The Java Sea threatens to swallow 95 percent of the city over the next 30 years.

Indonesia just found itself a new capital. The country’s president, Joko Widodo, announced on Monday that the new seat of government will be on the island of Borneo, hundreds of miles to the northeast of the current capital, Jakarta. The crowded city’s aquifers have been drained and the ground is caving in, making it one of the fastest sinking cities in the world. The Java Sea threatens to swallow 95 percent of the city over the next 30 years.

Kate Yoder writes in Grist that retreating from coastlines and riversides might have once been considered unthinkable. But across the world, it’s already happening — in Australia, Colombia, Vietnam, and here in the United States. Thousands of homeowners in Houston have asked the local county to buy their chronically flooded properties. A New Jersey town is moving residents out of risky areas near the rivers and turning the land into a natural buffer to protect other homes. The U.S. military is at work constructing a new site for an indigenous Yup’ik community in Alaska that asked to be relocated after thawing permafrost beneath the village caused it to slide into the river.

“An overheating planet and unchecked development along the coasts have let the sea expand into new territory, leaving many people who live along the shores unsettled (in both senses of the word),” Yoder writes. “According to the United Nations, up to 1 billion people could be displaced by storms, droughts, and floods in 30 years. In the United States, the cost for protecting people and property from rising seas and intense downpours is expected to climb into the hundreds of billions of dollars in the coming decades — and that’s a conservative estimate.”

There’s “an ongoing mass migration” away from our coasts, said Elizabeth Rush, author of the Pulitzer-prize nominated book Rising: Dispatches from the New American Shore. “These changes will happen whether we like it or not,” Rush said. “How profoundly and how detrimentally they reshape our coastal communities is up to us.”

“Managed retreat” is a controversial response to climate change. It’s the idea that communities and governments should be strategic about moving people away from areas that have become too waterlogged to live in safely. The phrase used to be, and maybe still is, taboo — Rush called it “a four-letter word” — but it’s beginning to make its way into the public conversation as one of the tools we can use to adapt to sea-level rise.