Infrastructure development and other human-made changes have already fragmented or disrupted two-thirds of Earth's longest rivers. Dams and reservoirs are the leading contributors to connectivity loss in global rivers. A team of researchers assessed the connectivity status of 12 million kilometers of rivers worldwide, providing the first-ever global assessment of the location and extent of the planet's remaining free-flowing rivers.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/05/190508134519.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/05/190508134519.htm
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