Stories tagged "damns"

May 14, 2019

Two-Thirds of World’s Longest Rivers Don’t Flow Freely Anymore

by Yoel Fessahaye  The largest-ever study on global hydrology has discovered that only 37% of the longest rivers (longer than 600 miles) remain free-flowing and 23% flow uninterrupted to the ocean. As National Geographic explains, rivers are the lifeblood of our...