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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Using a scalable, zero-emission VTOL network, UB aims to move organs from lab to bedside without the carbon footprint — or the traffic delays — of standard transport. Mrigakshi Dixit, Interesting Engineering, 12 May 2026 Their carbon footprint has been calculated by external life-cycle assessment experts and published in a study verified by auditing firm EY. Lily Templeton, Footwear News, 6 May 2026 Phillips warns of selecting containers that are composed entirely of non-recycled plastics or those with a high-carbon footprint. Patricia Shannon, Southern Living, 1 May 2026 Urban farms like Harlem Grown not only improve food security, but also climate resilience—lowering the carbon footprint of food production and reducing the effects of heat islands that cities are often prone to. Simmone Shah, Time, 30 Apr. 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

Browse Nearby Words

Cite this Entry

“Carbon footprint.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20footprint. Accessed 21 May. 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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