Gore claim: "Temperature measurements are generally taken in parks"

Falsehoods in the book version of Gore's An Inconvenient Truth

"Misconception 8 'The warming scientists are recording is just the effect of cities trapping heat...'
"People who want to deny global warming because it's easier than dealing with it try to argue that what scientists are really observing is just the 'urban heat island' effect... This is simply wrong. Temperature measurements are generally taken in parks, which are actually cool areas within the urban heat islands... Most scientific research shows that 'urban heat islands' have a negligible effect..." (p. 318)