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Q2 2026 · Growth · Climate Tech
3 climate tech startups at growth stage ranked by GitHub engineering acceleration in Q2 2026. carbon-design-system leads with 97 commits over 14 days (-1%). Growth-stage startups at Series C and beyond. Engineering signals at this scale indicate platform expansion, new product line development, or preparation for an IPO or major strategic milestone.
Climate Tech sector data last verified:
Investor insight
At growth stage, engineering signals indicate strategic direction — a major deploy-frequency spike often maps to a product launch; an infrastructure buildout often signals a new business line. Useful for secondary investors, growth funds, and corporate development teams benchmarking targets.
| # | Company | Stage | Geo | Commits (14d) | Change | Contributors | Contrib. Growth | New Repos | Signal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | carbon-design-system An open-source design system built by IBM. View signal profile → | Growth | US | 97 | -1% | 100 | +9% | 1 | Framework migration |
| 2 | CliMA The next generation of climate models. Built in the open. View signal profile → | Growth | US | 15 | -57% | 81 | +0% | 0 | Framework migration |
| 3 | ESCOMPView signal profile → | Growth | Unknown | 14 | -88% | 61 | +0% | 0 | Framework migration |
Sorted by commit velocity change (14-day window). Stage from contributor count + enrichment. Last updated Q2 2026.
The free Acceleration Watch: five venture-backed teams accelerating on the engineering signal, translated into plain English — 21 to 47 days before the deck circulates. No code-reading, no card.
carbon-design-system leads climate tech growth-stage startups in Q2 2026 with 97 commits over a rolling 14-day window (-1% change) and 100 active contributors. Across all 3 climate tech startups at this stage, the average 14-day commit velocity is 42 commits.
At growth stage, engineering signals indicate strategic direction — a major deploy-frequency spike often maps to a product launch; an infrastructure buildout often signals a new business line. Useful for secondary investors, growth funds, and corporate development teams benchmarking targets.
Stage is derived from contributor count, team-size enrichment, and funding history where publicly available. Stage buckets (Pre-Seed, Seed, Series A/B, Growth) use broad matching for sample size. Always verify independently before any investment action.