CO₂ and Greenhouse Gas Emissions - Our World in Data
Earth's CO2 Home Page
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
How reliable are CO2 measurements?
Carbon dioxide concentration over time
Chart of 420,000 year history: temperature, CO2, sea level - John Englander - Sea Level Rise Expert
Atmospheric CO2 concentrations worldwide 1959-2021 | Statista
Do high levels of CO2 in the past contradict the warming effect of CO2?
Mass Extinctions and CO2 levels - John Englander - Sea Level Rise Expert
Ancient Deepsea Shells Reveal 66 Million Years Of Carbon Dioxide Levels - Texas A&M Today
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Atmospheric concentrations - Our World in Data
Global Monitoring Laboratory - Carbon Cycle Greenhouse Gases
Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration
Graphic: The relentless rise of carbon dioxide – Climate Change: Vital Signs of the Planet
Carbon Dioxide Through Time | EARTH 103: Earth in the Future
10,000 Years of Carbon Dioxide - Berkeley Earth
The Keeling Curve
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
Rising CO2 | AMNH
CO2: Past, Present, & Future – Time Scavengers
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Carbon Dioxide Through Time | EARTH 103: Earth in the Future
How the World Passed a Carbon Threshold and Why It Matters - Yale E360
CO2 Levels: Current & Historic Atmospheric Carbon Dioxide / Global Temperature Graph & Widget
