carbon footprint

noun

: the amount of greenhouse gases and specifically carbon dioxide emitted by something (such as a person's activities or a product's manufacture and transport) during a given period

Examples of carbon footprint in a Sentence

Recent Examples on the Web
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Its more consequential proposal, however, is a new approach to calculating wool’s carbon footprint that produces dramatically lower results than conventional life-cycle assessments. Alexandra Harrell, Footwear News, 21 Aug. 2026 The carbon footprint was calculated using a range of usage from an industry average of 60% to 100% for round-the-clock deployment, and a gas burn rate of a typical single-cycle gas generator. Matt Day, Fortune, 18 Aug. 2026 The artificial intelligence boom is driving unprecedented demand for data centers, raising concerns about their growing energy consumption, water use and carbon footprint. Nir Kshetri, The Conversation, 17 Aug. 2026 Participating Nike locations accept Nike brand athletic shoes through a recycling and donation program that’s part of the company’s Move to Zero mission to eliminate waste and reduce its carbon footprint. Karen Brewer Grossman, Southern Living, 16 Aug. 2026 See All Example Sentences for carbon footprint

Word History

First Known Use

1999, in the meaning defined above

Time Traveler
The first known use of carbon footprint was in 1999

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Cite this Entry

“Carbon footprint.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20footprint. Accessed 29 Aug. 2026.

Kids Definition

carbon footprint

noun
: the amount of greenhouse gases and especially carbon dioxide given off by something (as a person's activities or a product's manufacture and transport) during a given period
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