Alternatives to GR3N
The top Cleantech companies similar to GR3N, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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UBQ Materials51CleantechTel Aviv, Israel$240.0MUBQ Materials converts unsorted household waste into a sustainable, bio-based thermoplastic material, replacing conventional plastics and other finite resources.
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Cylib61Battery RecyclingGermany, Germany$66.6MRevolutionizing battery recycling for a circular future in Europe.
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Notpla61SustainabilityLondon, United Kingdom$25.0MNotpla develops and produces sustainable, plastic-free packaging solutions from seaweed and plants, offering biodegradable and compostable alternatives for various applications.
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Precycles25CleantechNew York, United StatesDemocratizing bottle recycling with deep-learning technology and a sharing economy model.
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Syntetica59RecyclingParis, France$30.0MNylon recycling startup with a novel approach to recycle Nylon 6 and Nylon 6,6 from textile waste.
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Ocean cleanup company that removes plastic from the ocean and coastlines.
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TripleW56Life SciencesTel Aviv, Israel$16.5MUpcycles food waste into high-value lactic acid using climate-transformative technology.
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Altilium55Battery RecyclingPlymouth, United Kingdom$39.2MGreen processing of battery waste.
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pH7 Technologies52MiningVancouver, Canada$48.6MCritical metals processing company focused on recovering platinum group metals.
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Pela49E-commerceKelowna, Canada$5.1MSustainable phone cases and accessories.
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Epoch Biodesign48BiotechnologyCambridge, United States$12.0MEpoch Biodesign uses enzymes to break down plastic waste into monomers for new plastic production.
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Re Sustainability47SustainabilityNew York, United States$1.5MA platform focused on enabling businesses to achieve and report on sustainability goals.
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Circular1146Waste ManagementDorset, United Kingdom$2.9MTurning low-grade plastic waste into building materials and home products.
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DEScycle46Metals RecyclingLondon, United Kingdom$12.2MNext-generation metals processing infrastructure for critical and precious metals recovery.
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Pyrowave42Advanced ManufacturingMontreal, Canada$1.0MPioneers in microwave-based chemical recycling for low-carbon plastics.
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Impact Recycling40Waste ManagementSt. Louis, United States$3.8MDevelops advanced recycling technologies for complex waste streams, focusing on plastics and electronics.
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Ecoppia58CleantechTel Aviv, Israel$53.0MPioneer in robotic cleaning solutions for PV modules, ensuring year-round peak performance with water-free automation.
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Luminescent54CleantechSan Francisco, United States$7.0MTransforms waste heat into zero-emission electricity using an isothermal heat engine.
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TheStorage54CleantechTampere, Finland$6.8MIndustrial thermal energy storage solutions using sand.
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Carbon Blue54CleantechSan Francisco, United States$10.0MTechnology that removes CO2 from water, turning water infrastructure into carbon capture facilities.
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Zympler54CleantechUtrecht, Netherlands$1.6MIntelligently connects and controls energy assets for businesses to optimize usage and reduce costs.
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OPAL Fuels54CleantechNew York, USA$180.0MA leading vertically integrated producer and distributor of renewable natural gas (RNG).
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Exergy353CleantechEdinburgh, United Kingdom$25.5MUltra-high temperature thermal energy storage solutions for industrial decarbonisation.
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Envicore52CleantechCalgary, Canada$4.5MCalgary-based startup transforming industrial and mining waste into low-carbon supplementary cementitious materials for construction.
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SolCold36CleantechTel Aviv, IsraelDevelops a patented nano-material for passive solar cooling without electricity.
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Nth Cycle48CleantechRaleigh, USA$52.7MModular nickel refining for critical minerals.
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Cyclic Materials52Circular EconomyKingston, CanadaRecovers and recycles rare earth elements and critical minerals from permanent magnets.
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Enphase Energy85CleantechFremont, United States$6.0MGlobal energy technology company providing microinverter-based solar-plus-storage systems and intelligent energy management solutions.
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Redwood Materials59Battery TechnologyCarson City, United States$1.1BRecycling and refining battery materials for electric vehicles and energy storage.
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Princeton Critical Minerals38CleantechNewark, United States$16.0MPrinceton Critical Minerals is a cleantech startup focused on expanding commercial deployments of its revolutionary brine-based lithium production platform in the US and South America.
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Utility Global, .42Climate TechGlendale, United StatesAchieve true economic industrial decarbonization through advanced waste-to-value solutions.
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Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MDeveloping a novel, sustainable process for extracting valuable minerals from industrial wastewater.
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Divert55Waste ManagementWest Concord, USA$103.8MScaling circular infrastructure to reduce food waste and create value.
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Develops advanced battery recycling technology for electric vehicle batteries.
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Metaloop54MarketplaceTel Aviv, Israel$18.1MDigital marketplace for industrial metal scrap, streamlining buying, selling, and logistics.
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afreshed54AgTechLinz, Austria$5.0MAustrian organic fruit and vegetable rescue-box company that delivers produce not meeting retail standards.
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ByBug54BiotechnologyTulsa, United States$2.0MBiotechnology startup using genetically engineered insects to convert organic waste into high-value recombinant proteins.
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Budderfly53EnergyShelton, USA$1.3BEnergy-as-a-Service platform for businesses.
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LanzaTech53Climate TechSkokie, United States$862.6MLanzaTech transforms waste carbon emissions into valuable products like ethanol, SAF, and chemicals.
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METYCLE52Data PlatformsParis, France$21.3MMETYCLE provides data platforms for climate tech companies to accelerate their impact.
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Airovation Technologies52AirJerusalem, Israel$10.0MAirovation Technologies develops patented air purification and carbon capture solutions based on advanced chemical processes to convert CO2 into valuable chemicals.
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Recycleye51Waste ManagementLondon, United Kingdom$23.6MAI-powered robotics and analytics for waste sorting to improve recycling efficiency and profitability.
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Foamlab51BiotechnologyDelft, Netherlands$3.5MDeveloping high-performance, compostable foams from bacterial cellulose to replace fossil-based plastics.
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Humara49Waste ManagementGalicia, Spain$1.0MAI-powered SaaS platform for waste infrastructure, streamlining the design and operation of waste and recycling plants.
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Sensmet49Materials ScienceOulu, Finland$4.1MDeveloper of continuous metals monitoring technology for raw material value chains.
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Attero49E-waste ManagementNoida, India$10.0MIndian e-waste management and recycling company focused on circular economy principles.
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D-CRBN49Carbon CaptureAntwerp, Belgium$19.0MElectrified plasma technology to recycle CO2 and hydrocarbons into circular carbon molecules.
- NANaturbeads48Materials ScienceBath, United Kingdom$4.1M
Developing a biodegradable, cellulose-based alternative to microplastics.
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Ascend Elements48AutomotiveWestborough, USA$63.0MDeveloping the EU's first fully integrated battery materials refining center.
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Kvasir Technologies47Renewable EnergyFredericia, Denmark$10.0MDanish biofuel startup developing a patented process to convert lignin-based residues into climate-neutral marine fuels.
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Trashie47Circular EconomyNew York, United States$13.0MTrashie is a rewards-driven platform that incentivizes textile and electronics recycling.
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Fast Metals46Climate TechStamford, United States$4.3MExtracting critical minerals from industrial waste like red mud using a proprietary chemical process.
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Quantum Biopower46Waste ManagementNew York, United States$26.0MTransforms organic waste into renewable energy and nutrient-rich compost using anaerobic digestion.
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Seprify45Materials ScienceMarly, Switzerland$14.5MDeveloping cellulose-based alternatives to titanium dioxide for cosmetics, food, and coatings.
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Rock Zero45MiningCambridge, USA$12.0MCommercializing a novel, environmentally friendly, and cost-effective lithium extraction process.
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Twogee Biotech44BiotechnologyMunich, Germany$2.2MDeveloping circular biomass technology.
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Salt & Fiber44TextilesMalmö, Sweden$300KTransforming beach-cast seagrass into sustainable textile yarns.
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Automating EV dismantling at scale.
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Shellworks43BiotechnologyLondon, United Kingdom$15.0MDeveloping a sustainable plastic alternative called Vivomer.
- Website CACarboNegev43ClimateBe'er Sheva, Israel$1.0M
Converts carbon emissions and waste into green liquid fuels and chemicals.
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