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.
Sushi nori and other staples hit hard by rising sea temperatures

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