Venture-Backed Startups

Carbonext develops forest conservation and restoration projects in the Brazilian Amazon, including REDD+ carbon credit programs that keep forests standing while funding community development, jobs, and training. It offers companies carbon-related sustainability solutions supported by advanced monitoring technology and transparent auditing.

1 investor

Carbonext produces high-quality 3D graphene using a scalable chemical process that substitutes graphite with biomass and industrial waste materials. The company targets commercial applications by reducing graphene production costs and enabling bulk supply at scale.

1 investor

Carbonfact is an environmental intelligence platform that helps apparel and footwear brands and their suppliers measure, understand, and reduce carbon emissions. The platform consolidates supply-chain data and provides scenario modeling and eco-design tools to support emissions reduction across the fashion industry.

1 investor

CarbonFarm uses satellite imagery and AI to monitor, verify, and certify methane-reduction and decarbonisation projects in rice farming, quantifying emissions and additionality at the paddy level. It serves rice value chain participants, project developers, traders, carbon project investors, and international organisations working with smallholder rice farmers.

2 investors

CarbonFree captures industrial carbon emissions and converts them into industrial minerals, including its endurocal calcium carbonate product, avoiding the need for mining. It serves industrial manufacturers seeking lower-carbon material inputs.

1 investor

Carbonfuture operates a digital platform for the monitoring, reporting, and verification of durable carbon removal, supporting projects from due diligence through third-party verification and certification. It serves carbon removal suppliers seeking certification and market access, as well as buyers looking for vetted portfolios of carbon removal credits.

4 investors

CarbonGraph provides software for building and verifying product life cycle assessment (LCA) models, producing Environmental Product Declarations (EPDs), Product Carbon Footprints (PCFs), and reduction roadmaps. It uses an AI agent to guide users through a workflow from product category rules to LCA to third-party certification.

1 investor

Carbon Growth is an investment manager focused on the global carbon markets, financing carbon reduction and removal projects and managing climate-focused funds for investors. It provides capital to carbon project partners and works on carbon market development and policy.

1 investor

Oka is a specialty insurer that underwrites eligibility, performance, and integrity risks for carbon market and clean-energy finance transactions. It provides risk transfer cover for capital providers, buyers, and developers so climate-related deals can close.

1 investor

Carbonite offers data backup and cyber-resilience products for home users, managed service providers, and businesses of all sizes. It operates as part of the OpenText Cybersecurity product portfolio, focusing on data security, storage, and management.

2 investors

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0 investors

Carbonova uses a patented catalytic process to convert captured CO2, methane, and waste heat from manufacturing emissions into carbon nanomaterials. These net-negative nanomaterials are supplied to industries such as plastics/composites, lithium-ion batteries, and construction to improve material strength, durability, and performance.

3 investors

Valorize develops AeroChar, a pH-modified biochar engineered to retain nitrogen, phosphorus, and moisture and control ammonia in poultry, livestock, and composting operations. The company also qualifies and modifies biochar for growing media, anaerobic digestion, and steel applications, and acts as a commercialization partner for biochar producers handling carbon compliance, certification, and buyer matching.

1 investor

CarbonPoint Solutions (founded in 2011 as Enhanced Energy Group) develops carbon capture technology that concentrates and captures CO2 from reciprocating engines and gas turbines at distributed power system scale, using its patented Semi-Closed Cycle (SCC) and CO2-TSA processes originally derived from U.S. Navy undersea propulsion technology. The company was acquired by Caterpillar Inc. in September 2021.

1 investor

CarbonPool provides insurance products for carbon credit projects, covering unexpected carbon credit shortfalls and reversal events caused by natural catastrophes, weather, disease, and machine breakdown, and compensates clients with high-quality carbon credits. Its clients are project developers, corporate buyers, and investors in carbon credits, and it offers products such as carbon shortfall insurance, carbon reversal insurance, and planting insurance cover, including a solution aligned with Verra's Durability Pilot.

4 investors

CarbonQuest provides a modular Distributed Carbon Capture System (DCCS) that captures, liquefies, and monetizes CO2 onsite for biogas/RNG facilities, food and beverage manufacturers, and onsite low-carbon power generation. The company combines proprietary hardware, AI-powered software, project financing, and a pre-built CO2 offtake network across the US and Canada into a single turnkey service.</parameter> <parameter name="founders">[]

1 investor

Carbon Revolution is a Tier 1 OEM supplier that designs and manufactures lightweight carbon fibre wheels for the automotive industry. It supplies wheel programs to performance and premium car brands including Ford, Ferrari, General Motors, Jaguar Land Rover, Renault and Lamborghini.

1 investor

Carbonsate operates biomass storage projects that collect low-value waste wood — such as invasive bush, forestry residues, and sawmill byproducts — and seal it in engineered underground chambers to lock away carbon for centuries, generating verified carbon removal credits. It serves companies buying carbon removal and landowners with woody residues, with active projects in Namibia.

1 investor

CarbonSifr, based in the UAE, offers a platform that lets businesses add carbon reduction and offsetting into their existing operations. The approach follows an e-commerce model, packaging decarbonization services so companies can adopt them without building programs from scratch.

1 investor

CarbonStrong develops a lower-carbon alternative to ordinary cement designed as a drop-in solution requiring no new infrastructure. It supplies ready-mix concrete producers and block and paver manufacturers, positioning its product as cheaper and more durable than conventional cement.

1 investor

Revora Materials operates a technology platform that recovers critical minerals such as magnesium, nickel, manganese, platinum group metals, and rare earth elements from industrial byproducts and ores, including mine tailings, slag, and cement-making residues. The company also converts alkaline feedstocks and CO₂ into construction materials, targeting heavy industry and domestic critical mineral supply chains.</parameter> <parameter name="founders">[{"full_name": "Sravanth", "title": "Co-Founder & CEO"}, {"full_name": "Hassnain", "title": "Co-Founder & Senior Director of Engineering"}, {"full_name": "Greeshma Gadikota", "title": "Co-Founder"}]

1 investor

CarbonTrail provides AI-powered carbon accounting software that turns business financial and activity data (via Xero integration or CSV uploads) into emissions measurements, reduction guidance, and reports aligned with ISO14064-1 and the GHG Protocol. It serves businesses seeking to measure and reduce their carbon footprint, with a focus on the New Zealand market and its "Cohorts" peer-learning program.

1 investor

Carbontribe offers software combining AI, satellite imagery, computer vision, scientific methodologies, and Web3 to measure environmental and social impact and generate tamper-proof, third-party audited digital impact assets. It serves project developers and buyers seeking transparent, verifiable carbon and impact assets.

2 investors