Lowercarbon Capital

Commonwealth Fusion Systems is the world's largest and leading commercial fusion energy company, focused on developing high-temperature superconducting magnets to enable the transition to clean, abundant fusion energy.

Crusoe Energy provides renewable-powered AI infrastructure, focusing on managed inference services for AI workloads.

Solugen is redefining chemical manufacturing by harnessing the power of biology and chemistry to create sustainable chemical solutions for various industries, including oil and gas, renewable fuels, and agriculture.

Mill is an innovative food recycler that transforms food scraps into nutrient-rich grounds, designed to eliminate odors and reduce food waste effortlessly.

Mosa Meat is a food technology company pioneering a cleaner, kinder way of making beef through cultivated meat processes, allowing for real beef production without harming animals.

Carbon Engineering is a technology company focused on Direct Air Capture (DAC) of CO2 from the atmosphere, aiming to provide scalable and cost-effective solutions for climate change.

Twelve is a carbon transformation company that converts captured carbon dioxide into valuable chemicals, fuels, and other essential products typically made from fossil fuels.

Verdox provides an innovative solution for carbon removal, utilizing fully electric electrochemical technology to capture CO₂ from industrial processes and ambient air efficiently.

Charm Industrial Co., Limited focuses on technology products such as speakers, headphones, mounts, wireless chargers, lighting, power, cables, and accessories, emphasizing innovative design and compliance with international standards.

Crux is a domain name for sale, specifically crux.energy, which is a premium verified domain.

Antora builds and deploys thermal energy storage to power always-on industrial operations with low-cost energy. Their thermal batteries deliver reliable and cost-effective heat and power for industrial loads of any size.

Prelude Ventures manages capital exclusively for the climate-focused Simons family, creating a single-LP structure that demands strict venture returns from a 100% climate portfolio while applying a hard "no fossil fuels" rule that rejects any technology making oil, gas, or coal extraction cheaper or longer-lived. The firm combines deep technical operating experience with climate activism roots and has invested continuously through climate tech's "dark years" since 2009, positioning itself as a climate generalist comfortable with high capital intensity and long hardware timelines across the entire low-carbon economy.

A $1+ billion climate fund backed by ultra-high-net-worth individuals like Bill Gates, Jeff Bezos, and Jack Ma, with an unusually long 20-year investment horizon and a requirement that portfolio companies can avoid at least 500 million tons of CO2 emissions annually by 2050. The fund combines deep technical expertise from former ARPA-E leaders and scientists with access to a broader Breakthrough Energy ecosystem of policy, advocacy, and deployment programs, making it a gold standard validator for technically ambitious climate hardware companies.

Rolling micro-fund and syndicate that mobilizes 2,000+ operator and angel LP co-investors into a broad distribution and mentorship network for climate startups.

Global firm investing pre-seed to Series B in climate, health, and inclusive capitalism; led by exited founders, runs an in-house venture builder with well-known founders and AI-driven scouting.