Attribution of polar warming to human influence

A freely available article published in Nature Geoscience this week has established that polar warming is due to human activity:

Our findings demonstrate that anthropogenic influence is detectable in Antarctic land surface temperature, and distinguishable from a naturally forced response... In the Arctic, some authors have suggested that observed Arctic temperature changes are inconsistent with climate model predictions and dominated by internal variability and indeed so far no formal attribution studies of Arctic temperature change exist. We find that anthropogenic influence on Arctic temperature is detectable and distinguishable from the influence of natural forcings.

While this isn't exactly news to anyone with half a brain, it is undoubtedly an important piece of research, and a compelling counter-argument to those who say that global warming is a myth. The website of the some of the researchers who did this work, from Climatic Research Unit at the University of East Anglia, also has some interesting stuff on Climate change myths.