James Hansen - Sophie’s Planet #30: Chapters 40 (Target CO2) & 41 (Bjerknes)

 

Fig. 40.2.  Temperature (left scale) and climate forcing (right scale).

02 December 2020 James Hansen

Drafts of Chapters 40 and 41 of Sophie’s Planet are available here for fact checking.  Oops.  Where did we ever get the idea that 450 ppm CO2 was o.k.?  Does anybody care about the young and the unborn?   You can sign up for our monthly global temperature updates here. You can sign up for my other Communications here. I’m on Twitter @DrJamesEHansen, (https://twitter.com/drjamesehansen), but focused on book.

Fig. 41.3.  Two-and-a-half-year-old Jake with his two-and-a-half-day-old sister, Lauren.