Do you have a source on it being such a large amount of money? My impression is that just like water rights we've priced the externality so low that a lot of th

Do you have a source on it being such a large amount of money? My impression is that just like water rights we've priced the externality so low that a lot of things weren't done even though they were cheap. Here's a 2007 analysis putting the cost at less than 1% GDP: https://www.mckinsey.com/business-functions/sustainability/our-insights/a-cost-curve-for-greenhouse-gas-reduction https://www.mckinsey.com/business-functions/sustainability/o...