Climate Tech Startups

Klimate provides an end-to-end platform for corporate carbon removal, helping companies select and invest in high-quality carbon credit projects through rigorous due diligence. The service is targeted at large enterprises looking to align their climate action with science-based standards.

3 investors

Komham develops microbial technology to decompose organic waste and sells biomass recycling systems based on that research. The company operates in the waste treatment and environmental technology sector in Japan.

3 investors

Korrai develops an AI platform for infrastructure and mining risk assessment that aggregates multi-modal data and performs automated analysis to identify geotechnical hazards and reduce critical failures.

3 investors

Krosslinker develops aerogel-based materials for thermal insulation, including cooling paints, composite boards, and silica aerogel powders. Its products target industrial and building applications requiring lightweight, high-performance insulation.

3 investors

Kyotherm is an investment company that finances decarbonized heat and energy efficiency projects serving industrial, commercial, and public sector actors in Europe and North America. The firm specializes in greenfield and brownfield infrastructure projects aimed at sustainable CO₂ emission reduction.

3 investors

Lava is a climate-tech startup developing isothermal heat-engine and heat-pump technology, including research into knitted metallic structures, metamaterials, and phase-changing materials, to generate clean power at megawatt scale. Its systems aim for high thermal efficiency alongside factory-ready manufacturability.

3 investors

Liftango builds demand-responsive transport (DRT) technology and shared mobility solutions, including carpool, on-demand bus, fixed-route, and microtransit services, along with planning tools for data analysis, demand forecasting, and reporting. Founded in 2016, it serves transport operators and communities on projects across six continents.

3 investors

Liquium develops a new catalyst technology for producing clean (zero-carbon) ammonia under milder operating conditions than the traditional Haber-Bosch process, aiming to lower production and operating costs. The company targets heavy industry, including the maritime sector, positioning clean ammonia as an energy carrier for decarbonisation, with a focus on the Asia-Pacific region.

3 investors

Macro Oceans develops seaweed-based (kelp) feedstocks and materials as a low-carbon alternative to petroleum-based chemicals and products, building a traceable seaweed supply chain with brand, technology, and grower partners.

3 investors

Make My Day provides technology to help companies and fleet operators transition their vehicle fleets to electric vehicles. The platform aims to reduce CO2 emissions from transportation and fleet operations.

3 investors

ManholeMetrics designs and deploys wastewater level sensors paired with a monitoring software platform (Porthole) that give water utilities real-time visibility into sewer and stormwater networks. The company serves utilities in the UK and US, focusing on improving the resilience, safety, and performance of wastewater infrastructure and preventing flooding.

3 investors

Mantel Capture, Inc. appears to operate in process engineering and commissioning, with roles referencing boilers, licensing, and research; the page itself provides no explicit statement of the company's product or market.

3 investors

Mati builds and deploys enhanced rock weathering (ERW) systems to enable smallholder farmers in the global South to access carbon markets. The company combines field operations, digital measurement and verification, and market connectivity to facilitate large-scale carbon removal.

3 investors

Matter. is a venture-backed cleantech company that designs and builds microplastic and micropollutant capture and filtration technology, including products for the laundry sector and industrial-scale water filtration systems for textile manufacturing. It serves industrial and consumer markets, with a focus on protecting waterways from microfibre pollution and expansion into South Asian textile hubs.

3 investors

Metafuels develops aerobrew®, a proprietary technology that converts green methanol into sustainable aviation fuel (e-SAF) for airlines and fuel manufacturers. Developed in partnership with the Paul Scherrer Institut, the process aims to enable large-scale, lower-cost SAF production to help the aviation industry cut carbon emissions.

3 investors

microTERRA develops functional food ingredients derived from Lemna (aquatic plants) that enhance flavor intensity, block undesirable tastes, improve mouthfeel, and integrate flavors in food products for the food and beverage industry. The company offers sustainable ingredient solutions for food formulators and manufacturers.

3 investors

Mineral Forecast develops an AI platform for mining exploration that analyzes geoscience data to help identify promising mineral claims and optimize drilling operations. The platform serves geologists and mining executives seeking to accelerate mineral discovery for critical metals needed in the transition to zero-emissions energy.

3 investors

Minimum provides software for carbon and environmental data management for large enterprises, automating the ingestion, processing, and verification of emissions data across complex organizational structures to support sustainability reporting and decarbonization efforts. The platform maps carbon inventories, automates data workflows, and generates auditable environmental metrics aligned with GHG Protocol and ESG reporting standards.

3 investors

Minimum provides software for carbon and environmental data management for large enterprises, enabling inventory mapping, automated data ingestion, and compliance reporting across complex organizational structures.

3 investors

MioTech provides ESG and carbon emissions data, digital solutions for corporate ESG, supply chain, portfolio and green finance management, and climate analytics, alongside sustainability and carbon advisory services. It serves companies across industries including energy, finance, real estate, retail, technology, and state-owned enterprises.

3 investors

Monalee provided residential solar and battery storage installations to homeowners; as of September 2025 it paused all new solar and storage installations to shift its focus toward technology and support, while continuing to service existing customers' systems.

3 investors

Mondra builds an AI-powered platform that creates product-level "digital twins" of agri-food supply chains, giving retailers, brands, and suppliers visibility into sourcing risk, carbon emissions, and regulatory traceability. It uses customers' existing specification data to support supply chain resilience planning, Scope 3 emissions reduction, and compliance with regulations such as sanctions and deforestation laws.

3 investors

Mycologics develops natural product-based biofungicides that target soil-borne and foliar fungal diseases in food and feed crops such as corn, sugar beets, and cucurbits. The company positions its products as low-cost alternatives to chemical fungicides for use in agricultural pest management.

3 investors

NFW (Natural Fiber Welding) develops plant-based, plastic-free materials including a leather alternative (MIRUM), engineered textiles (CLARUS), footwear outsoles (PLIANT), and biobased foam (TUNERA) for use by fashion, footwear, and consumer brands. The company partners with brands such as BMW, Patagonia, Allbirds, and Stella McCartney to make lower-carbon, circular products.

3 investors