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← Climate Tech dashboard

Top Climate Tech companies

Ranked by total raised · 25 of 48 on the roster · Updated Oct 27, 2026

Together these 25 have raised $3.8B. Climeworks leads with $812M, followed by Twelve ($775M) and Svante ($318M).

Total raised Latest valuation Most recently funded Headcount Newest founded Oldest founded

#01
Climeworks

Climeworks builds solid-sorbent direct air capture plants that pull CO2 from the atmosphere and sequester it underground in Iceland.
Direct Air Capture · Equity $162M
Direct Air Capture
Equity
$162M
HQ
#02
Twelve

Twelve electrochemically transforms CO2, water, and renewable electricity into jet fuel and chemicals it calls 'carbon transformation.'
Industrial Decarbonization · Series C $645M
Industrial Decarbonization
Series C
$645M
HQ
#03
Svante

Solid-sorbent filters and modules that capture CO2 from industrial point sources and the air.
Point-Source Carbon Capture · Series E $318M
Point-Source Carbon Capture
Series E
$318M
HQ

#04
Heirloom Carbon

Heirloom uses limestone-looping direct air capture to accelerate natural mineralization and deliver permanent, verifiable carbon removal.
Direct Air Capture · Series B $150M
Direct Air Capture
Series B
$150M
HQ
#05
Watershed

fobi

Everything you need to know in under 10 minutes a day. Plus deep dives on 30 sectors, 1,200+ tracked companies and 40,000+ open roles.

SFO --:--:--·AUS --:--:--·NYC --:--:--·LDN --:--:--·TYO --:--:--·PEK --:--:--·Editorial analysis, not financial advice.·About·FAQ·What’s new·Disclosures·Terms·Privacy·Usage policy·© fobi·

SFO --:--:--·AUS --:--:--·NYC --:--:--·LDN --:--:--·TYO --:--:--·PEK --:--:--·Editorial analysis, not financial advice.·About·FAQ·What’s new·Disclosures·Terms·Privacy·Usage policy·© fobi·

Theme

Enterprise carbon-accounting and decarbonization platform that measures, reports, and reduces corporate emissions.

Carbon Markets & MRV · Series C $100M

Carbon Markets & MRV

Series C

$100M

HQ

#06

Modular, compact point-source carbon capture (CycloneCC) for cement, steel, and other heavy industry.

Point-Source Carbon Capture · Series C $150M

Point-Source Carbon Capture

#07

CarbonCapture Inc

Modular, renewable-powered carbon capture machines built around inexpensive zeolite sorbents.

Direct Air Capture · Series A $80M

Direct Air Capture

#08

Project Canary provides continuous methane monitoring, emissions analytics, and independent certification for the energy value chain.

Climate Adaptation & Risk · Series B $111M

Climate Adaptation & Risk

#09

Independent carbon-credit ratings agency providing risk analytics across the voluntary and compliance carbon markets.

Carbon Markets & MRV · Series C $32M

Carbon Markets & MRV

#10

Charm Industrial

Converts waste biomass into a stable bio-oil that is injected into geologic storage for permanent carbon removal.

Carbon Removal (CDR) · Series B $100M

Carbon Removal (CDR)

#11

Jupiter Intelligence

Jupiter Intelligence delivers AI-powered physical climate-risk analytics for flood, heat, wind, and wildfire exposure.

Climate Adaptation & Risk · Series C $54M

Climate Adaptation & Risk

#12

Carbon-credit quality ratings and climate-intelligence platform built on satellite data and machine learning.

Carbon Markets & MRV · Series B $57M

Carbon Markets & MRV

#13

API-first marketplace and infrastructure for buying, embedding, and retiring carbon credits.

Carbon Markets & MRV · Series B $55M

Carbon Markets & MRV

#14

Avnos builds Hybrid Direct Air Capture systems that pull CO2 and clean water from the air without thermal regeneration.

Direct Air Capture · Series A $36M

Direct Air Capture

#15

AI-powered carbon-management and climate-disclosure SaaS platform for companies and financial institutions.

Carbon Markets & MRV · Series C extension $23M

Carbon Markets & MRV

Series C extension

#16

LanzaJet produces sustainable aviation fuel from ethanol using its alcohol-to-jet process.

Industrial Decarbonization · Venture round $20M

Industrial Decarbonization

#17

Infinium makes power-to-liquids e-fuels — eSAF and eDiesel — from waste CO2 and green hydrogen.

Industrial Decarbonization · Series C

Industrial Decarbonization

#18

Removes CO2 by spreading crushed basalt on croplands, paired with soil-based measurement and verification.

Carbon Removal (CDR) · Series A

Carbon Removal (CDR)

#19

Terradot spreads crushed basalt on farmland in Brazil and the United States for enhanced rock weathering carbon removal, and sells the credits to buyers including Google, Frontier and Microsoft.

Carbon Removal (CDR) · Series A $58M

Carbon Removal (CDR)

#20

Brimstone makes ordinary portland cement from carbon-free calcium silicate rock via a process it describes as carbon-negative.

Industrial Decarbonization · Series A $55M

Industrial Decarbonization

#21

Spiritus is a Los Alamos spinout pursuing passive, low-energy direct air capture using a lung-like sorbent arranged in a 'Carbon Orchard.'

Direct Air Capture · Series A $30M

Direct Air Capture

#22

Andium uses edge-AI computer vision to monitor methane flaring, leaks, and equipment faults at oil and gas sites.

Climate Adaptation & Risk · Series B $21.7M

Climate Adaptation & Risk

#23

Vaulted Deep injects organic waste into underground geologic formations to remove carbon and generate removal credits for corporate buyers.

Carbon Removal (CDR) · Debt $35M

Carbon Removal (CDR)

#24

Electrochemical ocean alkalinity enhancement that splits seawater to remove CO2 and reduce ocean acidity.

Carbon Removal (CDR) · Series A $20M

Carbon Removal (CDR)

#25

Varaha develops carbon removal projects with smallholder farmers in South Asia, spanning biochar, regenerative agriculture, agroforestry and enhanced rock weathering, and sells the credits to companies such as Google and Microsoft.

Carbon Removal (CDR) · Series B $20M

Carbon Removal (CDR)