The carbon footprint is measured in the amount of carbon dioxide (CO2) that has been emitted over the full life cycle of a product or service.

carbon footprint

A firm's carbon footprint is an indication of the firm's environmental impact. The carbon footprint measures the firm's impact on global warming.

The carbon footprint of a rocket is the amount of carbon emission it leaves behind. It is the impact it has on the Earth.

If you want to reduce your carbon footprint, you can reduce your emissions of CO2 (carbon dioxide) into the atmosphere.