What are the main man-made greenhouse gases? | Environment | The Guardian
Doha infographic gets the numbers wrong, underestimates human emissions - Carbon Brief
Sources of Greenhouse Gas Emissions | US EPA
Greenhouse gases, facts and information
How Carbon Emissions Acidify Our Ocean | IAEA
The Dangers of Carbon Pollution on the Environment
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
How Much CO2 Do Humans Produce? Human CO2 Exhale Calculator
NOAA ESRL Global Monitoring Laboratory
Human metabolic emissions of carbon dioxide and methane and their implications for carbon emissions - ScienceDirect
Carbon Dioxide, Methane, Nitrous Oxide, and the Greenhouse Effect - Conservation in a Changing Climate
Greenhouse gas emissions - Our World in Data
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
How do human CO2 emissions compare to natural CO2 emissions?
Humans Release 40 To 100 Times As Much Carbon As Do Earth's Volcanoes
The greenhouse effect - British Geological Survey
FAQ: Is carbon dioxide harmful to the planet and the people? | Soletair Power
Why Is Carbon Important? | NASA Climate Kids
Carbon Dioxide 101 | netl.doe.gov
Everything to know about carbon dioxide (CO2) - Breeze Technologies
Main sources of carbon dioxide emissions | What's Your Impact
Anthropogenic carbon emissions - Energy Education
Explained: Greenhouse gases | MIT News | Massachusetts Institute of Technology
Anthropogenic carbon emissions - Energy Education
