Japan has an airport in the ocean, specifically the Kansai International Airport, because of land scarcity and noise pollution concerns near densely populated areas. The airport is located southwest of Osaka, approximately 30 km from the city.
Here's a breakdown of the reasons:
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Land Scarcity: Japan is an island nation with limited land suitable for large infrastructure projects like airports. Constructing an artificial island provided the necessary space without displacing communities or disrupting existing land use.
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Noise Pollution: Building an airport offshore minimizes noise pollution for residents in nearby urban areas like Osaka. Locating the airport 30 km from the city reduces the impact of aircraft noise on the population.
