Seafloor Sediments Reveal How Earth Responded to Ancient Global Warming
One hundred and thirty thousand years ago, Earth entered a warming transition period, from an ice age to the beginning of the Eemian Interglacial Period. While Neanderthals were recolonizing northern Europe and Homo sapiens were exploring routes beyond the African continent, the planet was home to an impressive megafauna, including mammoths, mastodons, and saber-toothed tigers, during a period when global temperatures were higher than they are today and sea levels were several meters higher than they are now.
