Climate scientists admit they failed to predict the intensity of German floods and North American heat dome
But former Met Office chief scientist Prof Dame Julia Slingo told BBC News: "We should be alarmed because the IPCC models are just not good enough.
She said the costs of the computer, which would be in the hundreds of millions of pounds, would "pale into insignificance" compared with the costs of extreme events for which society is unprepared.She, and other scientists, agree climate change is an emergency. But Oxford Prof Tim Palmer told me: "It’s is impossible to say how much of an emergency we are in because we don’t have the tools to answer the question.
"Plenty of peer-reviewed papers not addressed in IPCC documentation present far more pessimistic scenarios. There is no reason why a consensus viewpoint should be right, and we need to be preparing for the worst, even if we still hope for the best."Cows cool off in a pond to beat the heat wave in Larkana, Pakistan, in June
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