Last Time Carbon Dioxide Levels Were This High: 15 Million Years Ago

2009, Antarctica, Climate Proxies, CO2 Emissions, Greenhouse Gases, Ice Cores, Paleoclimatology, Pleistocene, Region, StudyLeave a comment

By analyzing the chemistry of bubbles of ancient air trapped in Antarctic ice, scientists have been able to determine the composition of Earth’s atmosphere going back as far as 800,000 years, and they have developed a good understanding of how carbon dioxide levels have varied in the atmosphere since that time. But there has been…