A study co-led by Dartmouth College and University of Maine researchers provides new insight into how global pollution has altered the Arctic atmosphere.  UMaine Climate Change Institute scientists Karl Kreutz, who also directs the School of Earth and Climate Sciences, and Dominic Winski co-authored a study published in the journal Nature Geoscience which detailed how read more How pollution affects Arctic atmosphere explored in new study co-authored by UMaine researchers – Kreutz & Winski et al.