The Parana River, the tenth largest river basin in the world, is suffering its worst low in more than half a century, with experts unsure as to whether this owes to its natural cycle or to climate change.
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Video. Parana River water level drops to historic low
The Parana River, the tenth largest river basin in the world, is suffering its worst low in more than half a century, with experts unsure as to whether this owes to its natural cycle or to climate change.