carbon footprint
US /ˈkɑːr.bən ˌfʊt.prɪnt/
UK /ˈkɑːr.bən ˌfʊt.prɪnt/

1.
the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.
:
•
Reducing your carbon footprint helps combat climate change.
•
Companies are striving to minimize their carbon footprint.