Here’s my real-world response to Jim’s and Paul’s letters.

The Royal Society and USA NAS study concluded there would be no change in CO2 levels or temperature for 1000years EVEN IF the entire world stopped greenhouse gas emissions today. See Zickfeld et al ( 2013) and RS and NAS question 20 Q&A.

Maths guru Nic Lewis found a similar but shorter lag time for CO2 and the real-world ice co...