Graphic: The relentless rise of carbon dioxide – Climate Change: Vital Signs of the Planet
10,000 Years of Carbon Dioxide - Berkeley Earth
Carbon dioxide in Earth's atmosphere - Wikipedia
Climate Milestone: Earth's CO2 Level Passes 400 ppm | National Geographic Society
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Ancient Deepsea Shells Reveal 66 Million Years Of Carbon Dioxide Levels - Texas A&M Today
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
Trends in Atmospheric Carbon Dioxide
Atmospheric concentrations - Our World in Data
CO2: Past, Present, & Future – Time Scavengers
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
CO2 Past
For first time, Earth's single-day CO2 tops 400 ppm – Climate Change: Vital Signs of the Planet
co2 levels in atmosphere at their highest in 800,000 years | World Economic Forum
CO2 Past
Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration
Atmospheric concentration of Carbon Dioxide (ppm) — European Environment Agency
Future climate forcing potentially without precedent in the last 420 million years | Nature Communications
A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Do high levels of CO2 in the past contradict the warming effect of CO2?
This chart shows global man-made CO2 emissions began rising very slightly in the late 1800s, with a significant acceleration beginning in the mid-20th. - ppt download
CO2 Levels: Current & Historic Atmospheric Carbon Dioxide / Global Temperature Graph & Widget
How have CO2 levels changed since the industrial revolution? | World Economic Forum
