The first ever audit of the HadCrut4 global data from 1850 onwards used by climate alarmists to justify their claims of "dangerous anthropogenic global warming" (now known as "climate change" in the absence of predicted warming) has been undertaken by Melbourne climate analyst Dr John McLean for his PhD thesis, and then continued it on afterwards until it was complete. Three links follow:
First by Joanne Nova on her widely-read blog (and be sure to read through the many comments that follow): Link
Then James Delingpole, well known UK columnist at Breitbart: Link to James
Finally, where to buy an on-line copy of the complete thesis for US$8: Buy