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.
Około 55 milionów lat temu  doszło do nagłego ocieplenia. Spora ilość dwutlenku węgla trafiła do atmosfery ziemskiej, co spowodowało nagłe i dość ekstremalne globalne ocieplenie.