£3 Trillion and Counting, by Andrew Montford, provides an estimate of the cost of Net Zero for the UK. It concludes that the project is likely to be unacheivable and is, moreover, irrational, because the costs of the project far outweigh the benefits.
…the costs far outweigh any reasonable estimate of the damage done by a tonne of carbon dioxide: Gibson and Aris suggest the cost of decarbonising the electricity system is £1.4 trillion, yielding emissions reductions of 2 GtCO2e. So even if the cost is discounted, each tonne of abatement would still cost hundreds of pounds, far more than any
reasonable estimate of the cost of the damage done by greenhouse gases, typically £30 or £40/t.
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