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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
But a new study found that reusing artificial trees 3–5 times can leave less of a carbon footprint than those who buy and dispose of new real trees every year.
—Isaac Avilucea, Axios, 23 Dec. 2024
One energy source that is seeing a resurgence in interest is nuclear power, since it is touted as a clean energy alternative that promises a smaller carbon footprint to offset AI’s high-energy needs.
—Alexander Puutio, Forbes, 22 Dec. 2024
Over-washing our clothes is a sustainability issue that’s often not discussed, but garment care is actually responsible for a significant amount of an item’s carbon footprint over the course of its life.
—Emily Chan, Vogue, 22 Dec. 2024
Even so, this cycle would still produce protein with a low net carbon footprint.
—Alexa Phillips, WIRED, 16 Dec. 2024
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Word History
First Known Use
1999, in the meaning defined above
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Cite this Entry
“Carbon footprint.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20footprint. Accessed 2 Jan. 2025.
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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