Total waste of time and money! Any climate change prior to 1885 was natural; everything since is Articifical Human Caused Catastrophic Climate Disruption*, so anything we learn about the past has no bearing on this brand new, unnatural destruction of the homoshpere.
Ref: Nobel Peace Prize Committee; IPCC; NASA, NOAA; Gore, et al; Greenpeace; Earth First!; WWF; Sierra Club; ALF; ELF; PETA, and several other altruistic, unbiased, research organizations trying to save us from the Suicidal Special Interest Groups bent upon destroying us all, including themselves for profit.
*AHC³D AKA A-Hs Constantly Clamoring (for) Contributions (to) Democrats
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