Geologic temperature record - Wikipedia
Atmospheric carbon dioxide levels for the last 500 million years | PNAS
CO2 Past
Historical trends in carbon dioxide concentrations and temperature, on a geological and recent time scale | GRID-Arendal
Ancient Deepsea Shells Reveal 66 Million Years Of Carbon Dioxide Levels - Texas A&M Today
Modelling the long-term carbon cycle, atmospheric CO2, and Earth surface temperature from late Neoproterozoic to present day - ScienceDirect
CO2 Records
Atmospheric carbon dioxide levels for the last 500 million years | PNAS
A 40-million-year history of atmospheric CO2 | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Future climate forcing potentially without precedent in the last 420 million years | Nature Communications
CO2: Past, Present, & Future – Time Scavengers
Carbon Dioxide Through Time | EARTH 103: Earth in the Future
Do high levels of CO2 in the past contradict the warming effect of CO2?
Ups and Downs | CK-12 Foundation
CO2: Past, Present, & Future – Time Scavengers
Modelling the long-term carbon cycle, atmospheric CO2, and Earth surface temperature from late Neoproterozoic to present day - ScienceDirect
A 40-million-year history of atmospheric CO2 | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Climate and CO2 in the Atmosphere
Here's What Real Science Says About the Role of CO2 as Earth's Preeminent Climatic Thermostat | Discover Magazine
Geological δ⁷Li records, climate and weathering flux (a) Silicate... | Download Scientific Diagram
Climate during the Carboniferous Period
Temperature (T) and atmospheric carbon dioxide (CO2) concentration... | Download Scientific Diagram
CO2 has been higher in the past
Atmospheric carbon dioxide levels for the last 500 million years | PNAS
Using plant stomata to determine carbon dioxide concentrations over the past 15,000 years
CO2 Coalition on Twitter: "CO2 levels are currently at record low levels compared with those that prevailed over much of Earth's past history. #CO2 #Atmosphere https://t.co/AUuVFKw0nA https://t.co/9dHqqJIlWW" / Twitter
What is the statistical relationship between CO2 concentration level and global change in temperature? - Quora
