Lowercarbon Capital
Venture capitalActively deployingNew York · Seed–Late Stage · 24 people tracked
Also known as Lowercarbon
Investment thesis
Lowercarbon Capital supports founders addressing climate change through commercially viable solutions that slash emissions, remove carbon from the atmosphere, or provide climate adaptation. The firm believes market-driven approaches, rather than shame or guilt, will drive planetary recovery, and combines hard science with ambitious technology to tackle sources of greenhouse gas emissions, atmospheric carbon removal, and climate resilience.
Source: firm website, verified Aug 3, 2026.
Team · 24 people
from the firm's website
What they invest in
from 58 of 129 portfolio companiesCleantech ×22Climate Tech ×22Energy ×18Advanced Manufacturing ×17Deep Tech ×10Enterprise Software ×9AI & Machine Learning ×7Biotech ×7
HQs:United States×34United Kingdom×4Norway×3Indonesia×2Canada×1Germany×1
Investments · 129 tracked
founders shown can be your intro pathLilac Solutions develops direct lithium extraction technology using ceramic ion exchange media, enabling fast, clean, and affordable lithium production from brines for the electric vehicle and battery industries.
CleantechClimate TechEnergyNew MaterialsOakland, US
David Snydacker(President & Chief Technology Officer)inNicholas Goldberg(Chief Legal Officer of Issuer)Ian Pearce(Director)inDavid Gelinas(Chief Financial Officer of Issuer)inSamuel Romer(Director)Raef Sully(Chief Executive Officer of Issuer)in
Board seatClay Dumas· per SEC Form D
Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications.
Deep TechDefense TechEnergyRichland, US
Robin Langtry
Dioxycle develops electricity-driven technology to convert waste carbon emissions into chemical feedstocks for industrial manufacturing.
Advanced ManufacturingCircular EconomyCleantechClimate TechDeep TechParis, FR
SarahDavid
Enode provides APIs that enable energy companies and climate tech startups to coordinate electricity demand and supply by automatically optimizing consumer energy usage based on renewable availability and pricing.
Advanced ManufacturingCleantechClimate TechData & InfrastructureEnergySaaSOslo, NO
Enode provides APIs that connect and optimize distributed energy devices such as EVs, chargers, home batteries, solar panels and heat pumps, giving energy companies a single integration to build energy and flexibility products.
Climate TechDeveloper ToolsEnergyIoT
Epoch Biodesign develops enzyme recycling technology powered by AI to break down plastic and textile waste into virgin-grade chemical building blocks.
AI & Machine LearningBiotechCircular EconomyClimate Tech
Jacobin
Enterprise SoftwareSan Francisco, US
Jason Golec(Executive Officer, Director, Promoter)Edward Quiroz(Executive Officer, Director, Promoter)
BoardOliver CameronCharlie SonghurstMaya Bakhai
Solara is a Mexican fintech that provides turnkey solar energy solutions and flexible financing plans for commercial and industrial businesses, managing design, installation, maintenance, and monitoring.
CleantechEnergyFintechWalnut, US
Javier de la Calle Pardo(Director)Dori Rutkevitz(Executive Officer, Director)Christofer Voegelin(Executive Officer, Director)Thomas Dinwoodie(Director)Daniel Rosen(Director)
Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.
Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US
Sean Hunt(Founder/CTO)inGaurab Chakrabarti(Founder)in
BoardSeth Bannon(Director)
PartnerClay Dumas· quoted
Vaulted Deep repurposes oil and gas infrastructure and expertise to enable carbon removal and waste management at scale.
Circular EconomyClimate TechDeep TechHouston, US
Julia Reichelstein(Co-Founder & CEO)Omar Abou-Sayed(Co-Founder)
Houston, US
JULIA REICHELSTEIN(Executive Officer, Director)OMAR ABOU-SAYED(Executive Officer, Director)
BoardSTEVE COLE(Director)MATTHEW EGGERS(Director)DAVID HAYES(Director)
Board seatRyan Orbuch· per SEC Form D · $7.7M raise · filed Jan 2026
El Segundo, US
Vishnu Sridhar(Executive Officer, Director)Shawn Xu(Director)
Board seatShawn Xu· per SEC Form D · $49.1M raise · filed Apr 2026
EnergyEverett, US
Benjamin Conway(Executive Officer, Director)Uri Shumlak(Director)Brian Nelson(Executive Officer, Director)Wayne Laufer(Director)Jasmin Staiblin(Director)Frank Chapman(Director)
Board seatClay Dumas· per SEC Form D · $130M raise · filed Jul 2024
Zero Acre Farms produces cooking oils optimized for chefs and restaurants, using organic fera fruit oil as an alternative to seed oils with superior heat stability, cleaner taste, and healthier fat profiles.
AgTechFoodTechImpact & Social GoodSan Francisco, US
Jeff Nobbs(Founder & CEO)in
Board seatClay Dumas· per SEC Form D · $5M raise · filed Jul 2022
Converts captured CO2 into carbon-negative synthetic fuels through proprietary AIRMADE™ technology.
Airloom engineers next-generation utility-scale wind turbines designed for mass production and deployment in diverse locations, offering low-cost, reliable energy generation with reduced infrastructure requirements.
CleantechEnergyHardwareLaramie, US
James Singer(Executive Officer, Director)Neal Rickner(Executive Officer, Director)John Singer(Director)Sarah Lewensohn(Director)Robert Lumley(Executive Officer, Director)
BoardPhil Larochelle(Director)
ShipArty builds IoT-enabled temperature-controlled containers and software platform to reduce cold chain spoilage for medicines, vaccines, and other temperature-sensitive products.
HealthtechIoTLogistics & Supply ChainMedical DevicesFremont, US
Hannah Sieber(Executive Officer, Director, Promoter)Sandor Langer(Executive Officer, Director, Promoter)Luisa Sucre(Director)Duncan Turner(Director)
Astromecha designs engines, airframes, and flight systems for next-generation aerospace applications, including supersonic aircraft.
Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US
Ian Brooke(Founder)in
The Avalanche Foundation is a non-profit organization that supports innovation and growth in the Avalanche ecosystem through grants, programs, and strategic support for developers, entrepreneurs, and communities building on the Avalanche blockchain platform.
Crypto & Web3Data & InfrastructureDeveloper ToolsEnterprise SoftwareFintech
Base Power provides residential battery systems and retail electric provider services to customers in Texas.
CleantechEnergyHardwareTexas, US
Zach Dell(Founder & CEO)Justin Lopas(Founder)in
Carbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road.
Advanced ManufacturingClimate TechOslo, NO
Haakon Brunell(Founder)inHans Arne Flåto(Founder)inKristoffer Roil(Founder)in
Carbon Engineering is a Direct Air Capture (DAC) technology company, founded in 2009, that develops systems to capture large volumes of CO2 directly from the atmosphere.
CleantechClimate TechDeep TechSquamish, CA
Charm Industrial converts agricultural residues into bio-oil and injects it underground to remove carbon from the atmosphere at scale.
AgTechCleantechClimate Tech
Shaun Meehan(Chief Scientist and co-founder)
Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
CleantechClimate TechDeep TechEnergyUnknown, US
Brandon Sorbom(Founder)Robert Mumgaard(Executive Officer, Director)Daniel Brunner(Executive Officer)Massimiliano Pieri(Director)Katie Rae(Director)Alan Eustace(Director)
Compound Foods develops alternative coffee and cocoa ingredients made from upcycled, climate-resilient sources to address supply chain volatility and environmental impact of traditional coffee and cocoa production.
Climate TechFoodTech
Maricel Saenz(Founder)in
Entocycle uses industrial automation and machine learning to convert organic waste into animal and plant feed by breeding black soldier fly larvae at scale.
Advanced ManufacturingAgTechBiotechCircular EconomyFoodTechLondon, GB
Keiran Olivares Whitaker(Founder)inJames Millar(CEO)
Fuse provides a WhatsApp-based platform that enables insurance agents and partners to manage automobile insurance transactions, from quotations to policy issuance.
InsurTechSaaSJakarta, ID
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Lowercarbon Capital invest at?
- Lowercarbon Capital invests at the Seed, Series A, Series B, Series C, Growth, Late Stage stages.
- What is Lowercarbon Capital's typical check size?
- Lowercarbon Capital typically writes checks of $100K – $5M.
- What sectors does Lowercarbon Capital focus on?
- Lowercarbon Capital focuses on AgTech, Cleantech, Climate Tech, Deep Tech, Energy, Mobility & Transportation, New Materials.
- Where is Lowercarbon Capital located?
- Lowercarbon Capital is headquartered in New York, US.
- Does Lowercarbon Capital lead rounds?
- Yes, Lowercarbon Capital leads investment rounds.
Media · Podcasts & interviews
featuring the teamInside the Trillion-Dollar Climate Industrial Revolution w/ Shawn Xu, Lowercarbon Capital
Sarah Chen-Spellings · Shawn Xu
Lighting the Fuse | Alan Chang (Fuse Energy) with Clay Dumas (Lowercarbon Capital)
Slush · Clay Dumas
How to Unf*ck the Planet | Chris Sacca (Lowercarbon Capital)
Slush · Chris Sacca
future proof: The secret to selling sustainability with Lowercarbon Capital's Clay Dumas
Watershed · Clay Dumas
Clay Dumas, Cofondateur et General Partner, Lowercarbon Capital - VOST
Bpifrance · Clay Dumas
Clay Dumas, Cofondateur et General Partner, Lowercarbon Capital
Bpifrance · Clay Dumas
Images
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