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Best AI Climate Tools

45 tools compared · 2026

Carbon accounting, climate risk, and planet-scale monitoring powered by AI

45 ai climate startups tracked, with the largest concentration in US. Total tracked funding: $5.8B.

Tracked
45
Total Raised
$5.8B
Countries
6
Active Deals
0

Top by score

View all 45 →

Funding by year — AI Climate

2019 → 2026
$20.5M
’19
$24.2M
’21
$244.5M
’22
$339M
’23
$120M
’24
$1.1B
’25
$2.8B
’26

Market overview

Climate AI companies turn messy planetary data — satellite imagery, weather models, supply-chain records, carbon-market documents — into decisions businesses can act on. Sustainability teams use platforms like Watershed ($270M raised) for enterprise carbon accounting and ESG reporting; utilities and insurers use AiDASH ($91M) to protect infrastructure from climate-driven risk; carbon-market participants rely on Sylvera ($96M) to rate credits that vary wildly in quality.

The technology splits into measurement and intervention. Measurement products fuse remote sensing with machine learning to estimate emissions, biomass, or physical risk that would be prohibitively expensive to survey manually — Precip, for instance, builds high-precision AI weather models. Intervention products act: Seneca ($60M) builds autonomous drones for wildfire suppression, CuspAI ($100M) uses foundation models as a search engine for new materials, and KoBold Metals — the category's funding leader at $1.2 billion — applies AI to find the critical minerals electrification requires.

What separates credible vendors from greenwash is auditability. Carbon numbers feed regulatory disclosures and financial decisions, so leaders publish methodologies, align with recognized protocols, and can defend estimates to auditors. Precision matters too — climate models that are directionally right but locally wrong don't help a grid operator or an underwriter.

Buyers should ask how estimates are validated against ground truth, whether outputs map to the disclosure frameworks they report under (CSRD, CDP, and applicable securities rules), and how the vendor handles data gaps in the supply chain. NeuronFeed tracks 40 AI climate companies with $3 billion in combined disclosed funding, spanning carbon software, geospatial analytics, and climate-adjacent deep tech.

Key trends 2026

  • Mandatory disclosure regimes such as Europe's CSRD are converting carbon accounting from a voluntary exercise into a compliance line item with real budget behind it.
  • Carbon markets are professionalizing, with AI-driven ratings and monitoring pushing low-quality credits out of corporate portfolios.
  • AI weather and geospatial models are becoming precise enough for operational decisions — wildfire response, grid hardening, and parametric insurance.
  • Climate AI is converging with materials science and mining as electrification drives demand for batteries and critical minerals.

Top countries

By startup count

Stage breakdown

Latest round type
  • Series A 17
  • Series B 7
  • Seed 7
  • Series C 3
  • Venture 1
  • Strategic Equity Investment 1
  • Series D 1
  • Series C Extension 1

Top investors backing AI Climate

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FAQ

Frequently asked

What is climate AI software used for?
The main uses are carbon accounting and ESG reporting, climate risk analysis, and carbon-market intelligence. Watershed handles enterprise carbon accounting, AiDASH assesses infrastructure risk from satellites, Sylvera rates carbon credits, and Seneca deploys autonomous drones against wildfires.
Can AI accurately measure carbon emissions?
AI can estimate emissions well when paired with good activity data, and platforms like Watershed align estimates with recognized reporting protocols. Accuracy depends on inputs — direct supplier data beats spend-based estimates — so credible vendors document their methodology and validation.
Which climate AI startups have raised the most funding?
KoBold Metals leads at about $1.2 billion, followed by Watershed at $270M, CuspAI at $100M, and Sylvera at $96M. NeuronFeed tracks 40 AI climate companies with roughly $3 billion in combined funding.

Recent rounds in AI Climate

All rounds →
Date Startup Round Amount
Aug 2026 REGENT Series B $120M
Aug 2026 REGENT Debt $120M
Aug 2026 Muon Space Series C $250M
Jul 2026 Valar Atomics Other $1B
May 2026 VoltaGrid Strategic Equity Investment $775M
Apr 2026 Critical Loop Series A $26M
Mar 2026 ThinkLabs AI Series A $28M
Mar 2026 Valar Atomics Other $450M

All AI Climate startups

Page 1

KoBold Metals

US est. 2018

AI-powered exploration for critical minerals

Raised
$1.2B
Stage
SERIES C EXTENSION
66

Watershed

US est. 2019

Enterprise sustainability platform for carbon accounting and ESG reporting

Raised
$270M
Stage
S-C
64

Sylvera

GB est. 2020

Carbon credit ratings and market intelligence powered by AI and geospatial data

Raised
$96M
Stage
S-B
60

AiDASH

US est. 2019

Satellite + AI to protect grids and infrastructure from climate risk

Raised
$91.5M
Stage
S-C
60

ThinkLabs AI

US est. 2024

Physics-informed AI that keeps power grids reliable amid surging AI demand

Raised
$33M
Stage
S-A
59

CuspAI

GB est. 2024

AI foundation models that act as a search engine for new materials.

Raised
$100M
Stage
S-A
59

Mitra Chem

US est. 2021

AI-driven battery materials lab compressing cathode R&D timelines

Raised
$95.6M
Stage
S-B
57

WindBorne Systems

US est. 2019

AI weather forecasting powered by the world's largest balloon constellation

Raised
$23.4M
Stage
S-A
57

Muon Space

United States est. 2021

Vertically integrated small satellite constellations for climate and defense sensing

Raised
$396.2M
Stage
S-C
57

Polaron

GB est. 2024

The intelligence layer for materials science and microstructure analysis

Raised
$8M
Stage
Seed
54

Brightband

est. 2024

AI weather and climate forecasting company building an end-to-end Earth System model trained

Raised
$10M
Stage
S-A
54

Silurian

est. 2024

Earth intelligence company building foundation models to simulate the planet, starting with

Raised
$11M
Stage
Seed
54

Critical Loop

US est. 2023

Mobile microgrids that fast-track electric grid connections

Raised
$26M
Stage
S-A
53

Orbital Industries

est. 2022

(formerly Orbital Materials) is an AI-industrial company that uses frontier AI to discover and

Raised
$71M
Stage
S-B
53

Treefera

est. 2022

Uses satellite imagery and AI to map the 'first mile' of nature-based supply chains, tracking

Raised
$42M
Stage
S-A
52

AMP Robotics

est. 2014

AI-powered robotics and vision systems that automate the sorting of recyclables in materials

Raised
$300M
Stage
S-D
52

Mantel Capture

est. 2022

MIT spinout developing low-cost, energy-efficient carbon capture for heavy industry using a

Raised
$30M
Stage
S-A
51

Amini

Kenya est. 2023

Nairobi-based climate-tech and data-infrastructure company using AI and satellite technology

Raised
$6M
Stage
Seed
51

Gigaton

est. 2020

(formerly Carbon Re) builds AI-powered autonomous control systems for the world's most

Raised
$35M
Stage
Seed
51

StormHarvester

GB est. 2019

AI analytics that predict and prevent wastewater overflows and pollution

Raised
$10.5M
Stage
S-A
50

Overstory

NL est. 2018

AI vegetation intelligence to prevent wildfires and grid outages

Raised
$68M
Stage
S-B
50

Spiritus

est. 2022

Carbon removal company developing low-cost direct air capture (DAC) technology to pull carbon

Raised
$30M
Stage
S-A
50

Seneca

United States est. 2024

Autonomous AI drones for wildfire suppression

Raised
$60M
Stage
Seed
50

Aircapture

US est. 2018

Modular direct air capture delivering atmospheric CO2 as a commodity

Raised
$56M
Stage
S-A
48