Climate Tech Startups

Liferaft converts waste biomass such as corn, food byproducts, and woody waste into biochar using custom pyrolysis technology to durably store carbon, filter water, and improve soils. It sells carbon credits to buyers and partners with farmers and rural towns, operating its first sites in the US Midwest.

2 investors

Light is an API-first platform that lets companies offer their own branded, embedded electricity plans and virtual power plants without handling regulatory or operational complexity, acting as the regulated electricity provider and managing billing, support, and collections. It serves partner businesses in deregulated energy markets, currently operating in Texas with planned expansion to other US regions.

2 investors

Lilliput Technologies develops biodegradable, biocompatible materials that protect crops from heat stress, with a focus on climate adaptation in agriculture. The company leverages advanced materials science at micro and nanoscale to enhance plant resilience for farmers facing rising temperatures.

2 investors

Limelight Steel reimagines iron and steelmaking through new industrial technology approaches.

2 investors

Liquidstar builds a global network of modular micro data centers powered by solar energy to provide compute, connectivity, water, and internet services to remote and frontier regions. The company targets areas lacking reliable infrastructure and emergency scenarios by offering self-powered, sustainable utility infrastructure.

2 investors

LoneReport is a software platform that helps companies track ESG regulations, manage compliance responses, and generate sustainability disclosure reports using AI. It serves enterprise companies and reduces reporting time by automating the connection of ESG data to global disclosure frameworks.

2 investors

Lotic Labs provides software solutions to help businesses discover, track, and manage weather-related financial risks across their supply chains, assets, and operations. The platform uses geospatial indexing, artificial intelligence, and risk modeling to integrate weather, environmental, and economic data for risk quantification and management.

2 investors

Mars Materials develops technology to produce carbon-negative acrylonitrile, using captured CO2 to make chemical products that act as carbon sinks. The company operates in the climate and clean chemistry/materials space.

2 investors

MassCEC (Massachusetts Clean Energy Center) is a state-affiliated organization that funds climate and clean energy innovation through grants, investments, and consulting services to help meet Massachusetts emission reduction goals. It also supports workforce training, career pathways, and publishes statewide renewable energy data.

2 investors

MARCLEY provides solar power solutions for the housing sector based on Germany's "gemeinschaftliche Gebäudeversorgung" (GGV) model, letting residents sign a separate low-cost solar power contract alongside their existing electricity contract. It serves owners' associations, property managers, cooperatives, private owners, and municipal and church housing companies in Germany.</parameter> <parameter name="hq_country">DE

2 investors

Meridia offers Verify, a field-data verification product that identifies and mitigates risks across agricultural commodity supply chains to support sourcing, procurement, and compliance needs. Available via portal or API, it provides risk scoring, remediation guidance, and satellite imagery analysis for farm plots, and powers the ICE Commodity Traceability Service data validation methodology.

2 investors

Meteory offers a platform that aggregates environmental data for French local authorities to help them build and monitor their Climate, Air, Energy and Territorial Plans (PCAET). It provides diagnostics on carbon sequestration, land use/soil artificialization, and territorial vulnerability to climate change.

2 investors

METRON offers an Energy Management and Optimization System (EMOS) that helps industrial, tertiary, and public sector organizations detect real-time optimization opportunities to reduce energy consumption and carbon footprint. The French cleantech company serves over 200 clients worldwide through regional alliances and AWS-based infrastructure.

2 investors

Mewery is a foodtech venture developing cultivated meat with the stated aims of helping animals and the planet and changing how meat is produced and consumed. It positions itself around alternative/cultured meat technology.

2 investors

microBIOMETER is a low-cost, 20-minute on-site soil test that measures microbial biomass and the fungal-to-bacterial ratio using smartphone technology, with results stored in a cloud portal for tracking over time. It serves farmers, gardeners, and soil scientists assessing and monitoring soil health.

2 investors

MicroTau develops MAKO Flightfilm, a shark skin-inspired drag-reducing surface film applied to aircraft exteriors to improve aerodynamic efficiency and reduce fuel burn without structural modifications. It serves airlines and defense customers in the aviation sector.

2 investors

Miratlas builds Sky Monitor instruments and provides data for the collection, processing, and forecasting of optical atmospheric data, measuring atmospheric turbulence for space and astronomical organizations such as ESA, NASA, DLR, ONERA, and CNES. The company serves customers in the atmospheric measurement and photonics field across locations worldwide.

2 investors

Mirico builds a laser-based methane sensor deployed as-a-service (hardware and analytics bundled) that continuously scans oil and gas facilities up to 1 km² to detect, pinpoint, and quantify emissions. It serves upstream production, processing, LNG, and storage operators to help them target mitigation, stay compliant, and validate low-emission products.

2 investors

Mission Zero develops direct air capture technology that uses an electrochemical process to recover carbon dioxide from the atmosphere. The company targets climate change mitigation and industrial applications seeking to replace fossil fuels with captured atmospheric carbon.

2 investors

Mitico develops a post-combustion carbon capture technology that collects and purifies carbon dioxide from flue gases at the source before it enters the atmosphere. Its system targets industrial emitters with low CO2 concentrations (3% to 18%), such as boilers, turbines, and other industrial processes.

2 investors

Monte Caldera provides a physics-based molecular modeling platform (Caldera Engine) that accelerates materials discovery and R&D for industries including energy, aerospace, chemicals, and semiconductors. The platform reduces experimental cycles and enables sustainable material design through advanced computational science.

2 investors

MOOEVO develops electric micromobility vehicles designed and manufactured in Spain for urban services including last-mile delivery, street cleaning, and waste management. The company offers mixed-use solutions that operate on roads and in pedestrian zones to improve urban efficiency and reduce emissions.

2 investors

Movopack develops reusable, customizable packaging designed for repeated use in e-commerce and logistics, replacing single-use packaging to reduce waste and carbon emissions. The solution enables brands to implement a circular packaging system where containers are returned and reused across multiple shipping cycles.

2 investors

Mozaic offers an AI-native operating system that turns site-level ecological data into continuous, portfolio-wide nature-risk intelligence with audit-ready evidence. It serves organisations managing land, infrastructure, or distributed assets — such as utilities, mining, rail, and forestry operators — using satellite/EO monitoring, guided field missions, and remote expert ecologist verification.

2 investors