Why we need to stop aiming for the 2°C target, which is both impossible and a hindrance to better policies https://www.foreignaffairs.com/articles/2018-02-08/two-degree-delusion …pic.twitter.com/02NhbjBP6S
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are you sure about your interpretation of the numbers if 29.9 trillion is a cost, then a negative number (say -67.3 ) would be a benefit....
BAU is the BAU, so $29.9tr is the benefit of the optimal solution (I put it as the cost of not achieving the optimal solution) whereas the $67.3tr is the cost of an overzealous policy (reducing climate impacts more but increasing policy costs much more)
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But your tweet says the 29.9 trillion is a cost? and you then say "twice as costly" sounds like your previous tweet is wrong then.pic.twitter.com/c8OBvYFJhD
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Not fixing climate yields less than fixing it on an optimum path. Bjorn's statement is fine. On the other hand I contend that fossil fuel depletion forces take the world to the optimum (IAMs have a very coarse fossil resource module, its a flaw)
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