Fuji, Japan's highest peak ... Fuji's repeated volcanic eruptions, when lava flows blocked rivers or split existing lakes. In times past, and still today, the lakes are an essential part of ...

NACHI-KATSUURA, Wakayama Prefecture—During dry periods and soggy natural disasters, the Butsubutsugawa, the shortest river in Japan, has consistently played an essential role in this community.

A team of scientists discovered that radioactive cesium released from the crippled Fukushima No. 1 nuclear power plant accumulates in freshwater fish differently in lakes and rivers. How easily ...