"spending today to reduce carbon emissions tomorrow is like insurance against some of the most costly effects of a hotter planet — and part of the debate is over how much that insurance is really worth, given that the biggest benefits are far in the future"
Assumptions about the discount rate for carbon pollution are key to present day carbon pricing. If the carbon price is low carbon capture and other carbon reduction technology can't gain any traction. There is lots of good technology out there but it is limping along for lack of a viable carbon market.
Meanwhile the costs climb:
https://www.nytimes.com/2018/11/23/climate/us-climate-report.html?module=inline