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

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 planet — they provide food and water for hundreds of millions of people, deliver […]

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