As of February 2024, there were more than ** climate tech unicorns in the United States. These start-ups operate in several clusters within the climate tech sector, such as energy, vehicles, and agriculture. The **** highest ranked unicorns were collectively valued at nearly ** billion U.S. dollars.
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HolonIQ. (February 20, 2024). Leading climate tech unicorn start-ups in the United States as of 2024, by valuation (in billion US dollars) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 24, 2026, from /statistics/1417851/climate-tech-unicorns-united-states-valuations/
HolonIQ. "Leading climate tech unicorn start-ups in the United States as of 2024, by valuation (in billion US dollars)." Chart. February 20, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 24, 2026. /statistics/1417851/climate-tech-unicorns-united-states-valuations/
HolonIQ. (2024). Leading climate tech unicorn start-ups in the United States as of 2024, by valuation (in billion US dollars). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 24, 2026. /statistics/1417851/climate-tech-unicorns-united-states-valuations/
HolonIQ. "Leading Climate Tech Unicorn Start-ups in The United States as of 2024, by Valuation (in Billion Us Dollars)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 20 Feb 2024, /statistics/1417851/climate-tech-unicorns-united-states-valuations/
HolonIQ, Leading climate tech unicorn start-ups in the United States as of 2024, by valuation (in billion US dollars) ÌÇÐÄÆÆ½â°æ, /statistics/1417851/climate-tech-unicorns-united-states-valuations/ (last visited July 24, 2026)
Leading climate tech unicorn start-ups in the United States as of 2024, by valuation (in billion US dollars) [Graph], HolonIQ, February 20, 2024. [Online]. Available: /statistics/1417851/climate-tech-unicorns-united-states-valuations/