Alternatives to GravitHy

Green-tech startup building the world's largest green-steel plant.

European producer and supplier of green and renewable hydrogen for industry and mobility.

Global climate solutions provider helping organizations achieve net-zero emissions.

Revolutionizing battery recycling for a circular future in Europe.

Sustainable aviation fuel producer using ethanol-based Alcohol-to-Jet technology.

Biotech company producing sustainable single-cell protein from CO2 and hydrogen.

Electrified plasma technology to recycle CO2 and hydrocarbons into circular carbon molecules.

Developing a novel process to produce low-carbon cement.

Develops, finances, builds, owns, and operates biomethane and green hydrogen plants for industrial decarbonization.

Develops, owns, and operates industrial-scale facilities producing green hydrogen derived e-Fuels.

Energy technology company focused on innovative solutions.

Amogy unlocks ammonia's potential as a clean energy source with proprietary reforming technology.

Notpla develops and produces sustainable, plastic-free packaging solutions from seaweed and plants, offering biodegradable and compostable alternatives for various applications.

Recycling and refining battery materials for electric vehicles and energy storage.

Nylon recycling startup with a novel approach to recycle Nylon 6 and Nylon 6,6 from textile waste.

Achieve true economic industrial decarbonization through advanced waste-to-value solutions.

World's largest biogas engineering company specializing in full-stack clean fuels technology.

Electra is decarbonizing the iron and steel industry with clean-iron electrowinning technology.

Upcycles food waste into high-value lactic acid using climate-transformative technology.

Carbon capture technology converting CO2 into valuable chemicals and fuels.

Developing a novel, sustainable process for extracting valuable minerals from industrial wastewater.

Sustainable fats from carbon, revolutionizing food ingredients and personal care.

Scaling circular infrastructure to reduce food waste and create value.

Green materials platform using patented electroreduction to produce pure metals with zero carbon emissions.

Green processing of battery waste.

Develops advanced battery recycling technology for electric vehicle batteries.

Digital platform connecting ecosystem players to solve environmental challenges using AI.

Microplastic technology and innovation company capturing, harvesting, and recycling microplastics from wastewater and textiles.

Industrial thermal energy storage solutions using sand.

Direct air capture startup producing CO2 and hydrogen for e-fuels and negative emissions.

Electrifying the global steel industry with innovative technology.

A carbon management and environmental-asset monetization firm.

Industrial-scale production of metal-organic frameworks (MOFs) for carbon capture and other applications.

LanzaTech transforms waste carbon emissions into valuable products like ethanol, SAF, and chemicals.

Ultra-high temperature thermal energy storage solutions for industrial decarbonisation.

Developing a novel process for green ammonia production to decarbonize agriculture and energy.

AI-driven platform for businesses to measure, manage, and derive value from emissions data.

METYCLE provides data platforms for climate tech companies to accelerate their impact.

Singapore-based cleantech company revolutionizing green hydrogen production with advanced materials.

Pioneering sustainable oils and fats through fermentation.

Developing high-performance, compostable foams from bacterial cellulose to replace fossil-based plastics.

UBQ Materials converts unsorted household waste into a sustainable, bio-based thermoplastic material, replacing conventional plastics and other finite resources.

Platform for home and vehicle electrification, offering personalized recommendations and supplier connections.

Developing sustainable aviation fuel solutions.

Develops eco-positive, scalable solutions for textile fiber and fabric dyeing.

Voltify is electrifying the rail industry by retrofitting diesel locomotives with battery power and a smart microgrid charging network.

Flowcarbon provides bespoke capital solutions and project finance expertise for innovative companies in frontier industries like infrastructure and decarbonization.

AI-powered SaaS platform for waste infrastructure, streamlining the design and operation of waste and recycling plants.

Paris-based VC investing in early-stage European deeptech startups focused on climate innovation.

Industrial company in hydrogen production and separation solutions.

A platform focused on enabling businesses to achieve and report on sustainability goals.

Turning low-grade plastic waste into building materials and home products.

Extracting critical minerals from industrial waste like red mud using a proprietary chemical process.

Revolutionizing and decarbonizing cement and concrete production with biological innovation.

Global venture capital firm backing ambitious entrepreneurs from seed to IPO across technology and life sciences.

Plant-based insulation for fashion made from wetland-grown bulrush.

Advanced biofuels company focused on accelerating growth.

Investment platform providing retail investors access to emissions allowance markets.