This time we're at a comments thread to a YouTube video
By virtue of sharing a Nobel for "experimental discoveries regarding tunneling phenomena in superconductors" back in 1973 - contrarians bathe Ivar in an aura of climate science authority which the old guy certainly does not possess.
(fyi - http://www.skepticalscience.com/ivar-giaever-nobel-physicist-climate-pseudoscientist.html )
Heck he even admits he's only done the most cursory reviews of articles - evidently he hadn't been paying attention to anything outside his microscopic tunneling and solid state physics for the past half century - not much of a background for pontificating on climate science, but oh boy, pontificate he certainly does. Incidentally, it's not too difficult noticing that he nurses a grudge.
In any event, I owe "AL" an apology, he did post this list of specifics way back on the 9th, sorry for missing that, glad I stubbled on it this evening. I don't want to ignore your challenge so better late than never (I have not changed or eliminated any of your words). I'll keep it simple and let the links fill in the rest of the story. (I did some touch up editing 11/24/15 am)
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"Only four UN scientists in the IPCC peer-review process explicitly endorsed the key chapter blaming mankind for warming the past 50 years, according to this recent analysis."
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Nonsense - You can find countless sources explicitly explaining that mankind is to blame for the warming of the past 50 years. Claiming otherwise is an out and out lie! Stop denying the CO2 we've put in the air, and the impacts of that increased atmospheric insulation on our climate. Besides human drivers of global warming are not limited to increasing greenhouse gases, but that's a whole different compounding story I'll save for another time.
IPCC 2007
Climate Change 2007: Working Group I: The Physical Science Basis
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Climate Change 2007: Synthesis Report 2. Causes of change
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2013 - IPCC PRESS RELEASE
Human influence on climate clear, IPCC report says
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Summary - Climate Change 2013 The Physical Science Basis - 27 September 2013
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How Do We Know that Humans Are the Major Cause of Global Warming?
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HOW MUCH GLOBAL WARMING IS HUMAN CAUSED?