And what was the source of the heat that warmed the planet to its current level?
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Dinosaurs. Really, REALLY big Dinosaurs!! Can you IMAGINE the size of a TyRex dump? And what about the gas? OMG can you IMAGINE the METHANE in a Tyronnasaurus fart?
We are all damn lucky there was no such thing as hard boiled eggs and saurkraut back then.
There are still those even today who emit as much noxious fumes, intestinal swamp gas as any flatulent horde of dinosaurs ever could. The Kenyan’s fudge-packed k*yster immediately comes to mind.