The Pliocene: The Last Time Earth had over 400 ppm of Atmospheric CO2

Whale Fall! 3 million years ago, in the Pliocene of Italy, a ~33’ long mysticete (baleen) whale of as-yet-unidentified genus died and sank to the bottom of the ocean. Many whale skeletons have been collected. However, this time twas secret weapon, Dr. Stefano Dominici, a mollusk specialist, on the team. It was his keen eye that resulted in the careful excavation of everything around the whale, not only bones and shark teeth as so often happens. And that made all the difference! What they found w