Some Japanese raise concerns over reconstruction of concrete seawalls

05/16/2013 | Yale Environment 360

Some concrete seawalls have been rebuilt along Japan's earthquake devastated coast, and others are still in the planning stages. Many of them are taller and wider than what existed before, and in some areas, a second protective layer is planned for earthen, pine-tree topped levees. The idea is to protect people from future tsunamis, but some are concerned that the ocean eco-system that has started to recover will be hurt. "[I]t’s the first time coastal land use has become an issue of national debate," said Satoquo Seino, a professor of environmental engineering at Kyushu University.

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