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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Studies have found that a single large private yacht can emit more than 5,000 metric tons of CO₂ each year, giving it a carbon footprint that dwarfs that of the average person. Dea Jusufi, Forbes.com, 21 July 2026 Their core essential fabric carries a lifetime guarantee and a sustainable carbon footprint commitment. Connie Etemadi, USA Today, 20 July 2026 Eco effort The hotel monitors its energy consumption and carbon footprint, recycles, and tries to use local products. Condé Nast, Condé Nast Traveler, 15 July 2026 Nevertheless, his various campaigns have spent hundreds of thousands of dollars on chartered private flights, which generally have a 5-20 times higher carbon footprint per passenger than commercial airliners. Chris Roemer, Baltimore Sun, 9 July 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 Jul. 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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