Tree rings show scale of Arctic pollution is worse than previously thought – Phys.org

The largest-ever study of tree rings from Norilsk in the Russian Arctic has shown that the direct and indirect effects of industrial pollution in the region and beyond are far worse than previously thought.
An international team of researchers, led by the University of Cambridge, has combined ring width and wood chemistry measurements from living and dead trees with soil characteristics and computer modeling to show that the damage done by decades of nickel and copper mining has not only devast…

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