image: Tree-ring data collection. This material relates to a paper that appeared in the June 17, 2016 issue of Science, published by AAAS. The paper, by L. D'Orangeville at Université du Québec à Montréal in Montreal, QC, Canada, and colleagues was titled, "Northeastern North America as a potential refugium for boreal forests in a warming climate." view more
Credit: Mario St-Germain