Climate-focused venture firm founded by Chris and Crystal Sacca investing in companies pulling carbon out of the sky, cutting emissions, and solving the climate crisis.
Green Score
- Greenwashing risk
- low
- Data confidence
- medium
- Method
- how it is calculated
Climate Impact & Solution35%78
Does the core business genuinely avoid or reduce emissions, or build climate resilience? Share of revenue that is actually 'green'. Fossil-dependent models score low.
The firm's entire mandate is to back companies slashing CO2 emissions and removing carbon — spanning fusion, direct air capture, grid tech, sustainable fuels, and industrial decarbonization — but as a financial enabler its impact is indirect and portfolio-level outcomes are not independently aggregated or verified.
Decarbonization & Targets20%18
Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.
No SBTi-validated targets, no CDP disclosure, and no publicly filed net-zero plan for the firm itself have been identified; the SBTi's Financial Institutions Net-Zero Standard (which would apply to asset managers) was still forthcoming as of mid-2026, but Lowercarbon has made no public commitment to submit targets even when eligible.
ESG & Operations15%52
Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.
As a small, privately held VC with a lean team, Lowercarbon's own operational footprint is negligible; the firm has publicly stated it declines capital from authoritarian petrostates on human-rights and climate grounds, signaling governance awareness, but no formal labor, DEI, or supply-chain ESG disclosures are published.
Transparency & Verification15%22
Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.
Lowercarbon publishes no annual sustainability report, no GHG inventory, no portfolio-level impact metrics, and no third-party verified data on avoided or removed emissions; public information is limited to fund announcements, a portfolio list on its website, and founder commentary.
Integrity15%80
Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.
No material controversies, litigation, fossil-fuel lobbying, pollution incidents, or governance scandals have been identified; Chris Sacca's public 'blood money' statement actively distances the firm from sovereign wealth funds tied to petrostates, and no credible greenwashing allegations against the firm itself have been found.
Why it's on ClimateTicker
Lowercarbon Capital is a pure-play climate VC founded by Chris and Crystal Sacca that deploys capital exclusively into companies cutting CO2 emissions, removing carbon from the atmosphere, and buying time on the climate crisis — making its core investment mandate genuinely aligned with climate mitigation. As a financier rather than an operator, its direct operational footprint is minimal, but its impact is entirely contingent on the climate integrity of its portfolio companies, which span early-stage deep-tech across energy, carbon removal, fusion, industrial decarbonization, and sustainable fuels. The firm earns credibility for its explicit refusal to accept capital from authoritarian petrostates and for backing hard-tech categories many VCs avoid, but it publishes no formal GHG inventory, holds no SBTi or CDP designation, and its portfolio-level emissions impact remains unquantified and unverified.
Controversy & Greenwashing Watch
Lowercarbon claims outsized climate impact through its portfolio but publishes no aggregated, independently verified emissions-avoided or carbon-removed figures, leaving impact claims unsubstantiated at the fund level.lowercarbon.com
In its 2023 fundraise letter, Chris Sacca publicly criticized climate VCs that accept capital from authoritarian petrostates — a reputationally positive but unverified claim about Lowercarbon's own LP base that has not been independently audited.axios.com
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ClimateTicker assessments are evidence-based research, not investment advice. Companies and readers can challenge a factual claim or submit better evidence.