The question here is whether emissions of CO2 and other greenhouse gases will cause net damages, now and in the future. (nybooks.com)
But in general economists who have tried to sum the negative and positive benefits come up with large — potentially very large — net damages per ton of carbon. (judithcurry.com)
In particular, by the year 2100 the cumulative net damages to the world economy could exceed an astonishing $ 100 trillion, and in not a single year do -LSB-...] (americanenergyalliance.org)