I was referring to multi million years so comparisons to the last times we were above 420 PPM the sun wasn't as hot. I'm saying the two are combining is a truly

I was referring to multi million years so comparisons to the last times we were above 420 PPM the sun wasn't as hot. I'm saying the two are combining is a truly horrifying way. The sun gets about 10% brighter and hotter every billion years, so slight but relentless. https://theconversation.com/the-sun-wont-die-for-5-billion-years-so-why-do-humans-have-only-1-billion-years-left-on-earth-37379 https://theconversation.com/the-sun-wont-die-for-5-billion-y...