final proof!!, page-76

Sorry willial, I missed your question about urban heat islands.

Here is a link to a list of peer reviewed papers on the issue.

http://www.skepticalscience.com/resources.php?a=links&arg=32&peer=1

If you are looking for more general articles as well as peer reviewed ones, here is a much larger set of articles.

http://www.skepticalscience.com/resources.php?a=links&arg=32

This second list includes a large number of anti AGW material is that is what interests you.