Comment Re:Farm pasture versus concrete buildings? (Score 4, Informative) 51
From the summary:
"Recognizing that surface temperature could be affected by other factors, the researchers chose to focus their investigation on data centers located away from densely populated areas."
You'll have to look at the study data to see if that completely addresses your concern, but unsurprisingly the professional researchers have put some thought into what controls a study like this might need.