Five-Million-Year-Old Antarctic Ice Core Contains Sample Of Earth’s Ancient Atmosphere
An ice core regain from theAntarctichas been dated to approximately five million years ago , reserve researchers to study Earth ’s ancient atmosphere . Describing the sample in the journalThe Cryosphere , the work authors explain that the ice dates back to the Pliocene epoch , when globular temperature and carbon dioxide levels were eminent than they are today . Analyzing Earth ’s climatic weather condition in the aloof past allows scientists to make informedpredictionsabout how the surround is likely to switch in the time to come ....