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Global Change Research Institute, CAS

Tree rings show scale of Arctic pollution is worse than previously thought

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 Ulf Büntgen of the Global Change Research Institute CAS and the University of Cambridge, has combined ring width and wood chemistry measurements from living and dead trees with soil characteristics and computer modelling to show that the damage done by decades of nickel and copper mining has not only devastated local environments, but also affected the global carbon cycle.

Press release to downloaded here