It isn't and it won't. She's a tough old Mother, Earth...more here...
...the person he was rebuking in this email, Michael Mann, was an
author of this same IPCC who had his now discredited “hockey stick” included
prominently in the third IPCC report to “prove” what now seems almost certainly
false - the today’s temperatures are the hottest for more than a 1000 years. The
Keith Briffa he attacked in the first email is also an IPCC author, whose
similar attempt to “prove” there was no medieval warming is now also regarded as
completely discredited. The Phil Jones that Wigley sent the first email to is
another IPCC author, who vowed to keep out sceptical papers from the IPCC, urged
the destruction of evidence and boasted he had used a “trick” to “hide the
decline” in temperatures in another graph used by the IPCC...more here...