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holy guacamole said..Yep. Quoting a god fearing, evangelist, error-prone scientist to support a weak natural variability hypothesis sure is funny!

Stay tuned for evidence!
How much natural variability can you do without? The climate is what it is because it is maintained that way by biological feedbacks. The climate will drift even if every inorganic input was kept absolutely constant. If it didn't drift the biological feedbacks wouldn't know they had to kick in.
(I know wikipedia. How does wikipedia rate on this topic Paradox?)
en.wikipedia.org/wiki/PaleoclimatologyNotable climate events in Earth history[edit]
See also: List of periods and events in climate history, Timeline of glaciation, and History of Earth
Knowledge of precise climatic events decreases as the record goes back in time, but some notable climate events are known:
Faint young Sun paradox (start)
Huronian glaciation (~2400 Mya Earth completely covered in ice probably due to Great Oxygenation Event)
Later Neoproterozoic Snowball Earth (~600 Mya, precursor to the Cambrian Explosion)
Andean-Saharan glaciation (~450 Mya)
Carboniferous Rainforest Collapse (~300 Mya)
Permian-Triassic extinction event (251.4 Mya)
Oceanic anoxic events (~120 Mya, 93 Mya, and others)
Cretaceous-Paleogene extinction event (66 Mya)
Paleocene-Eocene Thermal Maximum (Paleocene-Eocene, 55Mya)
Younger Dryas/The Big Freeze (~11,000 BC)
Holocene climatic optimum (~7000-3000 BC)
Extreme weather events of 535-536 (535-536 AD)
Medieval Warm Period (900-1300)
Little Ice Age (1300-1800)
Year Without a Summer (1816)