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Climate Change

Toxic trouble as the Arctic heats up

Chemists race to understand how global pollutants are contaminating the Arctic as climate change threatens to intensify the problem

by Carrie Arnold, special to C&EN
August 27, 2023 | A version of this story appeared in Volume 101, Issue 28
A polar bear climbing onto a chunk of floaring ice.

Credit: Associated Press | Bears in Svalbard, Norway, may look like they live in a pristine world far from human influence, but human-made pollutants have found their way into their diet.

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