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This handout picture released on August 20, 2025, by the University of Santiago USACH, shows a family of penguins during a study led by a team of Chilean scientists of the University of Santiago with researchers from the Netherlands and Germany, to determine the presence of heavy metals in Antarctica due to the increase in tourism in the area. Antarctica is showing increasing signs of the polluting impact of tourism and scientific activities, according to a study published on Wednesday in the journal Nature Sustainability. In the visited areas of the Antarctic Peninsula, heavy metal pollutants have been detected in quantities ten times higher than 40 years ago. (Photo by Jose Jorquera/University of Santiago USACH/AFP Photo)
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