the amount of carbon dioxide or other carbon compounds emitted into the atmosphere by the activities of an individual, company, country, etc.: the carbon footprint of an overseas flight; how to measure your carbon footprint.
Origin of carbon footprint
First recorded in 1995–2000
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a measure of the amount of carbon dioxide released into the atmosphere by a single endeavour or by a company, household, or individual through day-to-day activities over a given period
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012