Quoting from the actual article:

However, the study actually does none of the above. "Our study doesn't go against anthropogenic global warming in any way," said Robert Wilson, a paleoclimatologist at the University of St. Andrews in Scotland and a co-author of the study, which appeared July 8 in the journal Nature Climate Change. The tree rings do help fill in a piece of Earth's complicated climate puzzle, he said. However, it is climate change deniers who seem to have misconstrued the bigger picture.