Atmospheric concentrations - Our World in Data
Carbon Dioxide Through Time | EARTH 103: Earth in the Future
Do high levels of CO2 in the past contradict the warming effect of CO2?
Ancient Deepsea Shells Reveal 66 Million Years Of Carbon Dioxide Levels - Texas A&M Today
It's Official: Atmospheric CO2 Just Exceeded 415 ppm For The First Time in Human History : ScienceAlert
Carbon Dioxide Through Time | EARTH 103: Earth in the Future
How reliable are CO2 measurements?
Graphic: The relentless rise of carbon dioxide – Climate Change: Vital Signs of the Planet
Chart of 420,000 year history: temperature, CO2, sea level - John Englander - Sea Level Rise Expert
CO2: Past, Present, & Future – Time Scavengers
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
Yearly Carbon Dioxide Peak
If carbon dioxide hits a new high every year, why isn't every year hotter than the last? | NOAA Climate.gov
Carbon Dioxide and Temperature over 500 million Years — NET-ZERO
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Doesn't carbon dioxide in the atmosphere come from natural sources? | NOAA Climate.gov
Climate Milestone: Earth's CO2 Level Passes 400 ppm | National Geographic Society
Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration
Carbon dioxide in Earth's atmosphere - Wikipedia
Despite pandemic shutdowns, carbon dioxide and methane surged in 2020 - Welcome to NOAA Research
Carbon Dioxide | Vital Signs – Climate Change: Vital Signs of the Planet
News - The “Hockey Stick” Curve Obscures Earth's CO2 History | Heartland Institute
Atmospheric concentration of Carbon Dioxide (ppm) — European Environment Agency
co2 levels in atmosphere at their highest in 800,000 years | World Economic Forum
