Japan's poor seaweed harvest drives up prices, hits restaurants

Sushi nori and other staples hit hard by rising sea temperatures

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Harvests of wakame seaweed, a popular ingredient in miso soup, are at historic lows. (Photo by Takumi Sasaki)

TAKUMI SASAKI, Nikkei staff writer

TOKYO -- Japanese seaweed harvests are near-record lows as demand rises due to the increased global popularity of Japanese food, causing prices to soar and putting a pinch on households and restaurants.

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