Prelude Ventures

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.

Prelude's entire ~97-company portfolio is mandated to address climate change, and the firm enforces a hard 'no fossil fuels' rule that rejects any technology making oil, gas, or coal extraction cheaper or longer-lived — an unusually clear and credible impact screen for a VC. Portfolio breadth (carbon removal, green hydrogen, long-duration storage, sustainable agriculture, electrified mobility) is genuine, but ultimate emissions impact is uncertain and early-stage.

Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.

Prelude co-founded the Venture Climate Alliance, which commits member firms to conducting a Scope 1–3 GHG inventory and reaching net-zero operations by 2030, and encourages portfolio companies to target net zero by 2050 — but no SBTi validation, CDP disclosure, or independently verified progress reports for Prelude itself have been found publicly; the VCA methodology was still being developed at launch.

Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.

Prelude is a small team (~7–8 people) with a minimal operational footprint, founded and led by philanthropically motivated principals who joined the Giving Pledge in 2017; the firm's single-LP philanthropic structure provides meaningful governance alignment with climate impact, but no formal labor, diversity, or supply-chain ESG reporting is publicly available.

Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.

Prelude publishes its portfolio list and invests in climate disclosure infrastructure (portfolio company Persefoni is a carbon management and accounting platform), and co-founded the VCA which commits to annual progress reporting — but Prelude itself publishes no standalone sustainability report, no CDP disclosure, no verified Scope 1–3 figures, and no impact quantification at the portfolio level, leaving claims largely unverified by independent third parties.

Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.

No material controversies, litigation, fossil fuel lobbying, pollution incidents, governance scandals, or conflict-zone involvement have been found for Prelude Ventures; the firm's philanthropic-family LP structure and consistent 15+ year climate-only investment record suggest low institutional integrity risk.