The world’s great rivers are see-sawing from trickles to floods.
Water Cycle - Understanding Global Change
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Rivers worldwide are running dry – here's why and what we can do
Bodies of water all over North America are drying up due to
Water Shortage: Causes and Effects
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8 major rivers run dry from overuse around the world, from Colorado to the Aral Sea
Rivers worldwide are running dry – here's why and what we can do
Western states divided on long-term Colorado River plans - Los