韩国裸舞

A new study warns that many of the benefits rivers provide, from water to food to flood control, are increasingly at risk thanks to dams and diversions.

Using satellite imagery and other data, the team of 34 international researchers mapped 7.5 million miles of rivers worldwide. 鈥淚t鈥檚 the culmination of more than a decade of data processing and preparation,鈥� says G眉nther Grill, a 韩国裸舞 geographer and lead author on the study, which published Wednesday in the scientific journal聽Nature.