Hey Katie- tell us how man’s 0.00136% atmospheric CO2 is causing global climate change- We’ll wait for you to find the answer-
While you’re at it- teach us al how life thrived when atmospheric CO2 was over 1000 ppm, but supposedly we’re all gonna spontaneously combust at just 400 ppm or so?, again, we’ll wait for an explanation
Per this article, the Medieval Warm Period was about 2-3 degrees Fahrenheit warmer than the current average warm temps for Europe. Thus that increase won’t cause the world to end, it will just open a wider range for crops. And then the Medieval Cold period came for the next 150 years.
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/medieval-warm-period