Earth's Climate Time Machine

Selected References/Additional Information:

Lindsey, R., 2025: Climate change: atmospheric carbon dioxide, Climate.gov: https://www.climate.gov/news-features/understanding-climate/climate-change-atmospheric-carbon-dioxide#:~:text=Throughout%20that%20time%2C%20CO2,300%2C000%20and%20400%2C000%20years%20ago 

Maffly, B., 2023: Geoscientists map changes in atmospheric CO2 over past 66 million years, University of Utah: https://attheu.utah.edu/science-technology/geoscientists-map-changes-in-atmospheric-co2-over-past-66-million-years/

Mann, M., 2023: Our Fragile Moment: How Lessons from Earth’s Past Can Help Us Survive the Climate Crisis. PublicAffairs/Hachette Book Group, 306 pp: https://www.hachettebookgroup.com/titles/michael-e-mann/our-fragile-moment/9781541702899/ 

University Corporation for Atmospheric Research, 2020: Scientists nail down average temperature of last ice age: https://news.ucar.edu/132755/scientists-nail-down-average-temperature-last-ice-age#:~:text=A%20team%20of%20scientists%20has,Fahrenheit%20(8%20degrees%20Celsius