Q2 2026 Rankings
Climate Tech Startups to Watch, Q2 2026
Climate tech engineering activity is concentrated in grid software and carbon accounting tooling.
| # | Company | Stage | Geo | Commits (14d) | Change | Contributors | Contrib. Growth | New Repos | Signal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | green-coding-solutions We create open source tools to measure software energy consumption | Seed | EU | 1 | +999% | 16 | +0% | 1 | Deploy frequency spike |
| 2 | regen-network A platform to originate and invest in high-integrity carbon and biodiversity credits from ecological regeneration projec | Series A/B | Unknown | 6 | +50% | 27 | +0% | 0 | Framework migration |
| 3 | carbon-design-system An open-source design system built by IBM. | Growth | Unknown | 54 | -32% | 100 | +0% | 1 | Framework migration |
| 4 | incubateur-ademe Incubateur interne de l'ADEME | Series A/B | EU | 17 | -67% | 30 | +0% | 2 | Framework migration |
Sorted by commit velocity change (14-day window, descending). Top 3 highlighted. Data last updated Q2 2026.
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Frequently Asked Questions
What engineering signals are climate tech startups showing in Q2 2026?
In Q2 2026, we are tracking 4 climate tech startups with measurable GitHub engineering signals. 2 of 4 show positive commit velocity growth. The most common signal type is "Framework migration", observed in 3 of the tracked companies. The average 14-day commit velocity across the sector is 20 commits, with green-coding-solutions leading at 1 commits (+999% change). These patterns have historically preceded fundraise announcements by six to twelve weeks.
Which climate tech startup has the highest engineering acceleration in Q2 2026?
green-coding-solutions leads the climate tech sector in Q2 2026 with 1 commits over a 14-day window, representing a +999% change from the prior period. With 16 active contributors and 1 new repositories, green-coding-solutions is showing a "Deploy frequency spike" pattern — one of the more reliable leading indicators of a significant product milestone or fundraise.
Where are the most active climate tech engineering teams located?
Among the 4 climate tech startups we track, EU accounts for the highest concentration with 2 teams. Startups developing clean energy, carbon monitoring, and climate adaptation technologies. Geographic distribution matters for investors because engineering talent clusters correlate with sector-specific domain expertise and proximity to early adopter customers.