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Decades-old pollutants melting out of Himalayan glaciers

Melting Himalayan glaciers are releasing decades of accumulated pollutants into downstream ecosystems, according to a new study.  The new research in AGU's Journal of Geophysical Research: Atmospheres finds chemicals used in pesticides that have been accumulating in glaciers and ice sheets around the world since the 1940s are being released as Himalayan glaciers melt as a result of climate change.  These pollutants are winding up in Himalayan lakes, potentially impacting aquatic life and bioaccumulating in fish at levels that may be toxic for human consumption.  The new study shows that even the most remote areas of the planet can be repositories for pollutants and sheds light on how pollutants travel around the globe, according to the study's authors.  Read more....

 

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