A Graphical History of Atmospheric CO2 Levels Over Time | Earth.Org
Climate change in 11 charts – DW – 11/02/2021
ACP - Was Australia a sink or source of CO2 in 2015? Data assimilation using OCO-2 satellite measurements
Carbon Monitor, a near-real-time daily dataset of global CO2 emission from fossil fuel and cement production | Scientific Data
7. Is the current level of atmospheric CO2 concentration unprecedented in Earth's history? Answer | Royal Society
CO2 levels higher than any point since the evolution of humans | CNN
Atmospheric concentration of Carbon Dioxide (ppm) — European Environment Agency
Carbon Dioxide
How have CO2 levels changed since the industrial revolution? | World Economic Forum
Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration
CO2 emissions - Our World in Data
Carbon Dioxide | Vital Signs – Climate Change: Vital Signs of the Planet
Climate Change: Atmospheric Carbon Dioxide | NOAA Climate.gov
Global Monitoring Laboratory - Carbon Cycle Greenhouse Gases
Overview: Carbon Dioxide (CO2) Data Sets | Climate Data Guide
Carbon dioxide concentration over time
CO2 emissions - Our World in Data
Earth's CO2 Home Page
Global monthly gridded atmospheric carbon dioxide concentrations under the historical and future scenarios | Scientific Data
Climate Change Indicators: Atmospheric Concentrations of Greenhouse Gases | US EPA
ESSD - Global CO2 emissions from cement production, 1928–2018
Climate change in 11 charts – DW – 11/02/2021
United Nations Statistics Division - Environment Statistics
