cleantech
noun
clean·tech
ˈklēn-ˌtek 
: technology that places an emphasis on environmentally friendly products, services, or practices
At the same time, they hope to keep Europe competitive in the global sector known as cleantech, an area that includes everything from electric cars … to high-capacity batteries and technologies to harvest energy from new sources like waves and tides.—
Beth Gardiner
Beth GardinerExamples of cleantech in a Sentence
Recent Examples on the Web
The biggest problem — among others documented in a good feature this week by cleantech researcher Michael Thomas — was the company’s decision to go public before securing a primary tenant.
—Tim McDonnell, semafor.com, 23 Apr. 2026
The Finnish cleantech startup TheStorage officially commissioned its first industrial-scale thermal energy system at a local brewery in January 2026.
—Aman Tripathi, Interesting Engineering, 1 Feb. 2026
For the latest in cleantech and sustainability news, sign up here for our Current Climate newsletter.
—Alan Ohnsman, Forbes.com, 28 Jan. 2026
Then again, both the S&P and the Nasdaq 100 also look like AI-rich souffles these days, making cleantech’s outperformance all the more notable.
—Mark Gongloff, Mercury News, 11 Nov. 2025
That rapid increase has business leaders setting up shop in the city, with companies in the software, cleantech and outdoor lifestyle industries expanding their presence in Boise.
—Michelle Del Rey, USA Today, 21 Aug. 2025
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Tim McDonnell, semafor.com, 23 Apr. 2026
The Finnish cleantech startup TheStorage officially commissioned its first industrial-scale thermal energy system at a local brewery in January 2026.
—Aman Tripathi, Interesting Engineering, 1 Feb. 2026
For the latest in cleantech and sustainability news, sign up here for our Current Climate newsletter.
—Alan Ohnsman, Forbes.com, 28 Jan. 2026
Then again, both the S&P and the Nasdaq 100 also look like AI-rich souffles these days, making cleantech’s outperformance all the more notable.
—Mark Gongloff, Mercury News, 11 Nov. 2025
That rapid increase has business leaders setting up shop in the city, with companies in the software, cleantech and outdoor lifestyle industries expanding their presence in Boise.
—Michelle Del Rey, USA Today, 21 Aug. 2025
Cite this Entry
“Cleantech.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cleantech. Accessed 1 May. 2026.
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