McKinsey pegs the price tag of a livable climate at $9.2tr a year

A new analysis from McKinsey & Co. estimates that the investment, in new infrastructure and systems, needed to meet international climate goals could be $9.2-trillion a year through 2050. That’s at least $3.5-trillion more a year than the world is currently laying out for both low-carbon and fossil-fuel infrastructure and changes in how people use land. McKinsey analysts wanted a sense of how much investment would be necessary, and what behavioral changes would be required, to slash the impact …