Climate VC, San Francisco

Lowercarbon Capital

Venture capital firm · San Francisco · Founded 2018

Quick read

Lowercarbon Capital is a climate-focused VC firm founded by Chris and Crystal Sacca, headquartered in San Francisco (registered in Jackson, WY). It backs companies slashing CO₂ emissions, removing carbon from the atmosphere, and buying time against climate change — with ~$1.2B AUM and a portfolio spanning fusion energy, carbon removal, industrial decarbonization, and beyond. The firm takes a deliberately broad view: if markets can fix the planet faster than activism, Lowercarbon is writing the check.

Key facts

Founded
2018
Founders
Chris Sacca, Crystal Sacca, Clay Dumas
Employees
28
Sectors
climate
Website
lowercarbon.com

Investment thesis

Lowercarbon backs companies across three buckets — slashing new CO₂ emissions, sucking carbon out of the atmosphere, and buying more time against climate change — betting that profitable markets, not shame, will decarbonize the planet. The firm also funds nonprofit research when the science is critical but no business model yet exists.

Recent activity

  • Mar 2025investment
    Lowercarbon participated in Epoch Biodesign's €17M round, backing the biotech startup working to turn plastic waste into a circular resource. tracxn.com
  • Feb 2025investment
    Lowercarbon co-invested in Pendulum's $22M total funding round alongside Cross Border Impact Ventures and Decisive Point. tracxn.com
  • Dec 2024investment
    Lowercarbon participated in a funding round for Flair Systems alongside RectorSeal and SOSV, backing smart HVAC control solutions. tracxn.com
  • Dec 2024investment
    Lowercarbon co-invested in SolarSquare's $40M Series B, India's largest solar startup funding round, alongside Lightspeed and Lightrock. tracxn.com
  • 2024leadership
    Duncan Carlson posted a rare hiring alert for a Technical Lead on Lowercarbon's growth investing team, one of the firm's few public job openings. linkedin.com
  • 2024investment
    Crystal Sacca announced Lowercarbon led Biosphere's seed round, backing the electrified bioreactor startup co-founded by Brian Heligman and Arye Lipman. linkedin.com
  • 2023investment
    Lowercarbon led Crux's $4.6M seed round alongside New System Ventures, Overture VC, and Ardent Venture Partners to build a marketplace for transferable clean energy tax credits. linkedin.com

Notable investments

Key people

Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.

Sources

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Frequently asked

What is Lowercarbon Capital?+

Lowercarbon Capital is a climate-focused VC firm founded by Chris and Crystal Sacca, headquartered in San Francisco (registered in Jackson, WY). It backs companies slashing CO₂ emissions, removing carbon from the atmosphere, and buying time against climate change — with ~$1.

Where is Lowercarbon Capital headquartered?+

Lowercarbon Capital is headquartered in San Francisco, United States.

When was Lowercarbon Capital founded?+

Lowercarbon Capital was founded in 2018 by Chris Sacca, Crystal Sacca, Clay Dumas.

What sectors does Lowercarbon Capital invest in?+

Lowercarbon Capital focuses on climate. They primarily invest in these sectors.

How do I prepare for a meeting with Lowercarbon Capital?+

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Generated by briefthecall.com from public web sources on May 27, 2026. Each claim is linked to its source above.