The green river effect

June 25, 2015

(Yonhap)

[PHOTO NEWS]

In this aerial photo taken on June 23, 2015, workers release watery yellow dirt and coagulants into the Nakdong River in Daegu, South Gyeonsang Province, southeastern South Korea, to prevent green algae blooms from spreading. The formation of hazardous green algae bloom, which has resulted from a long-standing drought and high temperatures, suffocates fish, dealing a serious blow to fish farms.