Bangkok has too many things working against it: rising sea levels, ground sinking from drained aquifers, and its own growth. The buildings weigh more than the land can hold. The city is sinking at about 4 inches per year. Its elevation is list as about 5 feet above sea level, which means some parts are soon to be awash – and have been during floods. As a mark of the adaptability of humans, political fights and bureaucracy mean the defenses haven’t been built. Currently, the cost is estimated at $14.4B. The longer they take to get started, the more expensive it will get, and the greater the likelihood of at least some failure. One estimate is that the city will effectively be sunk by 2030 if nothing is done.
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