Hmm....on the other hand our predecessors didnt chop up vast amounts of forests in quite the way people do now ....trees and plants produce oxygen and as you know we kinda need that 😀It records that it happens and that the planet survives
A good start might be to look into the pioneering speleothem dating work done by Mel Gascoine and friends in the 1970s at a certain Dales show cave which you know particularly well. Mel was originally Lancaster based then moved on to McMaster in Canada, from where he continued his work for most of his career.