Clean line icon of CO lettering with a smaller subscript 2. Used for emissions, air quality, and climate data.

Sharp line icon of CO2 lettering with a smaller subscript 2. Used for carbon dioxide, emissions, and air quality.

Pollution Co2

Pollution Co2 Carbondioxide Polluted Air

Bold solid icon of CO with a smaller 2 at lower right. Used for carbon dioxide, emissions, climate, and air-quality data.

Rounded solid icon of the letters CO with a lowered 2. Used for carbon dioxide labels, emissions, and environmental data.

Clean line icon of C, O, and a lowered 2. Used for carbon dioxide, emissions, climate, and air quality.