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Perito Moreno Glacier Nathalie Racheter WW21919

Plans for mega dams put Argentina’s Santa Cruz River—its wildlife, local livelihoods, and Perito Moreno Glacier—at risk

A pair of mega dams in construction on the Santa Cruz river’s banks could flood more than 135 square miles of the surrounding region--an area almost twice as big as Buenos Aires--and transform Argentina’s last free-flowing glacial river into a series of brackish pools.