About 55 million years ago, there was a really abrupt warming event, and what happened was a whole bunch of carbon dioxide was released into earth's atmosphere, and it caused a rapid and pretty extreme global warming event.
Uns 55 milhões de anos atrás, houve um evento de aquecimento repentino. Uma grande quantidade de dióxido de carbono foi liberada na atmosfera, o que causou um aquecimento global rápido e extremo.