HUMAITÁ, Brazil — The Madeira Basin, the most biodiverse region in the Amazon River Basin, boasts 1,406 catalogued species. However, this ecological richness is under threat from human activities and ...
LETICIA, Colombia — The jungle town of Leticia provides Colombia's only access to the Amazon River. But as the river changes course the town could soon be left high and dry and that's fueling a border ...
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