How about they give Prince Charles the IPCC gig?
He says he wants to be Defender of the Faiths, when Elizabeth turns up her toes,which is no doubt why she is hanging on in there, God bless her.
Chas, meanwhile, would be ideal as a Warmist head of the Gaia religion, which has the UN as its spiritual temple, a sort of new age Vatican. He can also use the global warming footprint scam tax credits: Al Gore would cut him in on it, for a K, or a Baronetcy.