The Keeling Curve
Climate Change: Atmospheric Carbon Dioxide
5.2 The Greenhouse Effect
Broken Record: Atmospheric Carbon Dioxide Levels Jump Again
SVS: Atmospheric Carbon Dioxide from 1980 to 2005
Atmospheric carbon dioxide and Earth's surface temperature (1880-2019)
It's Not Carbon Dioxide That Causes Global Warming. So What Does
Carbon dioxide now more than 50% higher than pre-industrial levels
Carbon dioxide in the atmosphere
Atmospheric carbon dioxide to pass iconic threshold, Met Office
Carbon Dioxide: Earth's Hottest Topic is Just Warming Up