so, forget Co2 then tell us why the Siberian ancient permafrost...

so, forget Co2 then

tell us why the Siberian ancient permafrost which has been permanently frozen for 650,000 years ------------ all of a sudden in the last few years is melting?

yep - that's 650,000 years -------- way back before modern humans

poooof ------------ all of a sudden in the 2020's ------------- drip, drip, drip, ground collapsing,

tell us your theory

thanks