# Climate AI Startups That Raised in 2026: Market Map of 20 Companies

> The 20 climate AI startups that raised money in 2026, mapped in 4 segments and ranked by this year's rounds: $359M between them. Updated nightly.

Source: https://millionrounds.com/market-maps/climate-ai-raised-2026-market-map (Millionrounds; every figure on the page links to its filing or article)

## Carbon accounting and reporting

7

- [Watershed](https://millionrounds.com/company/watershed)
- [Zevero](https://millionrounds.com/company/zevero)
- [Optera](https://millionrounds.com/company/optera)
- [Seqana](https://millionrounds.com/company/seqana)
- [xWatts](https://millionrounds.com/company/xwatts)
- [NocoMed](https://millionrounds.com/company/nocomed)
- [ecosync](https://millionrounds.com/company/ecosync)

## Energy optimisation

6

- [Gigaton](https://millionrounds.com/company/gigaton)
- [Powerline](https://millionrounds.com/company/powerline)
- [Greenpixie](https://millionrounds.com/company/greenpixie)
- [DaisyChain Energy](https://millionrounds.com/company/daisychain-energy)
- [Woodchuck.AI](https://millionrounds.com/company/woodchuck-ai)
- [Sesame Sustainability](https://millionrounds.com/company/sesame-sustainability)

## Climate risk and weather

4

- [Earth Blox](https://millionrounds.com/company/earth-blox)
- [Skyward Wildfire Technologies](https://millionrounds.com/company/skyward-wildfire-technologies)
- [Satellites On Fire](https://millionrounds.com/company/satellites-on-fire)
- [Climingo](https://millionrounds.com/company/climingo)

## Nature and earth observation

3

- [Muon Space](https://millionrounds.com/company/muon-space)
- [Hydrosat](https://millionrounds.com/company/hydrosat)
- [Verna](https://millionrounds.com/company/verna)

## Segment by segment

### Carbon accounting and reporting

7 startups · $32M raised

- [**Watershed**](https://millionrounds.com/company/watershed) Watershed serves as an enterprise climate platform utilized by companies to assess, report, and address their carbon emissions. United States $15M
- [**Zevero**](https://millionrounds.com/company/zevero) Zevero is a global carbon management and ESG disclosure platform based in London, UK. Singapore $7.0M
- [**Optera**](https://millionrounds.com/company/optera) Optera platform tracks emissions upstream and downstream in a company’s supply chain. United States $4.0M
- [**Seqana**](https://millionrounds.com/company/seqana) Seqana is a Berlin-based climate-tech and agtech startup founded in 2020. Germany $3.7M
- [**xWatts**](https://millionrounds.com/company/xwatts) xWatts, founded in August 2022 and based in Cambridge, United Kingdom, is a ClimateTech and SaaS company focused on intelligent en United Kingdom $2.2M
- [**NocoMed**](https://millionrounds.com/company/nocomed) Nocomed is a Dublin-based software company founded in 2023, specializing in sustainability solutions for life sciences and healthc Ireland $772K
- [**ecosync**](https://millionrounds.com/company/ecosync) EcoSync is a cleantech company founded in 2018 by a team of engineers from Oxford University. United Kingdom $322K

### Energy optimisation

6 startups · $46M raised

- [**Gigaton**](https://millionrounds.com/company/gigaton) Gigaton is a UK-based climate tech startup focused on developing a Self-Learning Control system that utilizes deep reinforcement learning AI. United Kingdom $26M
- [**Powerline**](https://millionrounds.com/company/powerline) Powerline is a climate-tech company based in Palo Alto, California, focused on transforming the global electricity grid. United States $7.0M
- [**Greenpixie**](https://millionrounds.com/company/greenpixie) Greenpixie is a London-based energy and sustainability technology startup founded in 2021 by John Ridd and William Tinney. United Kingdom $6.3M
- [**DaisyChain Energy**](https://millionrounds.com/company/daisychain-energy) DaisyChain Energy offers an AI enabled software platform that helps with monitoring, electrification, decarbonization, and compliance needs. United States $5.3M
- [**Woodchuck.AI**](https://millionrounds.com/company/woodchuck-ai) WoodChuck.ai is a climate-impact startup located in Grand Rapids, Michigan. United States $834K
- [**Sesame Sustainability**](https://millionrounds.com/company/sesame-sustainability) Sesame Sustainability is a climate tech software company based in Cambridge, Massachusetts. United States $30K

### Climate risk and weather

4 startups · $17M raised

- [**Earth Blox**](https://millionrounds.com/company/earth-blox) Earth Blox is an environmental intelligence company based in Edinburgh, Scotland, founded in 2019. United Kingdom $8.0M
- [**Skyward Wildfire Technologies**](https://millionrounds.com/company/skyward-wildfire-technologies) Skyward Wildfire Technologies is a Vancouver-based climate tech startup founded in 2024. Canada $5.8M
- [**Satellites On Fire**](https://millionrounds.com/company/satellites-on-fire) Satellites on Fire is an Argentine climate-tech company founded in 2020, specializing in AI-powered wildfire early detection and a Argentina $2.7M
- [**Climingo**](https://millionrounds.com/company/climingo) Climingo is a London-based climate-tech company that offers a vendor-neutral platform for comparing and selecting weather and clim United Kingdom $545K

### Nature and earth observation

3 startups · $264M raised

- [**Muon Space**](https://millionrounds.com/company/muon-space) Muon Space is an American aerospace startup founded in 2021, based in Mountain View, California. United States $250M
- [**Hydrosat**](https://millionrounds.com/company/hydrosat) Hydrosat is a deep-tech and climate technology company focused on Earth Observation through advanced thermal infrared satellite im United States $10M
- [**Verna**](https://millionrounds.com/company/verna) Verna is a software platform company based in Borehamwood, England, focused on nature recovery and environmental management. United Kingdom $4.0M

**How this map is made.** Every startup here has raised money in rounds we track, and raised in 2026. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in climate AI, and goes to the first segment whose words it carries. Each segment shows its biggest raisers this year first. Rebuilt nightly; updated 15 November 2026.

## More market maps

[All maps](https://millionrounds.com/market-maps)

[Market map **Climate AI market map** 193 startups · 5 segments · $2.1B](https://millionrounds.com/market-maps/climate-ai-market-map)[New wave **New climate AI startups, founded 2020 on** 97 startups · 5 segments · $724M](https://millionrounds.com/market-maps/new-climate-ai-startups-market-map)[Investors map **Who invests in climate AI** 74 investors · 4 segments](https://millionrounds.com/market-maps/climate-ai-investors-map)[Market map · Europe **Climate AI market map: Europe** 90 startups · 5 segments · $544M](https://millionrounds.com/market-maps/climate-ai-europe-market-map)[Market map · United States **Climate AI market map: United States** 65 startups · 5 segments · $1.4B](https://millionrounds.com/market-maps/climate-ai-united-states-market-map)[Market map · United Kingdom **Climate AI market map: United Kingdom** 27 startups · 4 segments · $196M](https://millionrounds.com/market-maps/climate-ai-united-kingdom-market-map)

## Who backs climate AI?

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