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Climate news, grouped by story, and evidence-led Green Scores for the companies behind it. Independent and self-funded, with no sponsors and no paid placement.

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Climate companies

90 companies

Ranked by the ClimateTicker Green Score: who genuinely helps, and who to watch. How we score companies

All Climate Leaders Watchlist

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Watershed
Climate SoftwareSan Francisco, CA, USAEnterprise carbon-management platform that helps large companies measure, report and reduce emissions across their operations and supply chains.66Credible Contributor
Climeworks
Carbon RemovalZurich, SwitzerlandSwiss pioneer of direct air capture (DAC), removing CO₂ from the atmosphere and storing it permanently underground, including the Orca and Mammoth plants in Iceland.65Credible Contributor
Sunrun
RUNSolarSan Francisco, CA, USALargest residential solar, battery storage and energy-services company in the United States, offering home solar through subscription and ownership models.65Credible Contributor
Octopus Energy
EnergyLondon, UKUK-based clean energy retailer and technology group whose Kraken platform manages renewable supply, smart tariffs and grid flexibility for millions of customers worldwide.63Credible Contributor
Rivian
RIVNTransportIrvine, CA, USAAmerican electric vehicle manufacturer producing adventure-focused trucks and SUVs, plus commercial electric delivery vans, with a vertically integrated software and charging ecosystem.61Credible Contributor
Vestas Wind Systems
VWSWind turbinesAarhus, DenmarkWorld's largest wind-turbine manufacturer by installed capacity.86Climate Leader
Ørsted
ORSTEDOffshore wind / renewable energyFredericia, DenmarkWorld's largest offshore wind developer, formerly DONG Energy; majority-owned by the Danish state.85Climate Leader
Nordex SE
NDX1Onshore windHamburg, GermanyGerman wind turbine manufacturer supplying multi-megawatt onshore turbines across Europe, the Americas, Africa, and Asia.82Climate Leader
EDP Renewables (EDPR)
EDPROffshore wind developmentLisbon, PortugalListed subsidiary of EDP and one of Europe's largest renewable energy companies, developing offshore wind capacity in France, Portugal, and the UK including the Moray West project in Scotland.80Climate Leader
First Solar
FSLRSolar panels / thin-film PVTempe, Arizona, United StatesLeading US manufacturer of thin-film cadmium telluride solar panels; one of the few Western solar manufacturers at scale.80Climate Leader
Scatec ASA
SCATCSolarOslo, NorwayNorwegian renewable energy company developing, building, owning and operating utility-scale solar, wind and hydropower projects across emerging and developed markets.80Climate Leader
Verbund
VERIntegrated utilityVienna, AustriaAustria's dominant electricity provider, generating ~90% of output from 108 hydropower plants with 6,600 MW installed capacity and ~24.8 TWh average annual hydro generation; 51% owned by the Austrian state.80Climate Leader
Amalgamated Bank
AMALBankNew York, USUS progressive bank that excludes fossil-fuel lending, serves union and non-profit clients, and is a signatory to the UN Principles for Responsible Banking and the Net-Zero Banking Alliance.79Credible Contributor
Danfoss
Heating controls & componentsNordborg, DenmarkDanish industrial group making heat pump compressors, refrigerant systems, and thermostatic controls that enable energy-efficient heating and cooling across residential and commercial buildings.79Credible Contributor
TOMRA Systems
TOMRecycling / circularAsker, NorwayNorwegian circular-economy technology group operating over 91,000 reverse vending machines for bottle and can returns, plus AI-driven sensor sorting systems for recycling and food industries worldwide.79Credible Contributor
Fortum
FORTUMIntegrated utilityEspoo, FinlandFinnish state-majority utility with ~47 TWh low-carbon annual portfolio from hydro (4,653 MW across 33 plants) and nuclear (Loviisa plant, licensed to 2050), with a growing wind pipeline in the Nordics.78Credible Contributor
UK Power Networks
Grid / transmission & distributionLondon, UKUK Power Networks is the licensed electricity distribution network operator serving London, the South East, and East of England, connecting over eight million customers and leading DSO transformation to host distributed renewables.78Credible Contributor
Iberdrola
IBEIntegrated utilityBilbao, SpainSpain's largest utility and a global renewables leader, with 23,047 MW of renewable capacity in Spain and a €58bn 2025–2028 investment plan overwhelmingly directed at wind, solar and grid infrastructure.77Credible Contributor
Impax Asset Management
IPXAsset managerLondon, UKLondon-listed specialist asset manager investing in companies providing resources and environmental services in the energy transition, water, waste, and sustainable food sectors.77Credible Contributor
Nexans
NEXOffshore wind cablesParis, FranceFrench cable technology group and a leading supplier of inter-array and export submarine cables for offshore wind farms, operating the dedicated cable-lay vessel Aurora.77Credible Contributor
Encavis
SolarHamburg, GermanyGerman independent power producer operating a large portfolio of solar and wind parks across Europe, taken private by KKR in 2024.75Credible Contributor
Normative
Carbon accountingStockholm, SwedenCarbon accounting platform with a TÜV SÜD-evaluated engine covering 349,000 verified emission factors, serving enterprise customers across the Nordics and EU.75Credible Contributor
Schroders Greencoat
Green Infrastructure FundLondon, UKSchroders-owned specialist renewable energy infrastructure manager running listed funds including Greencoat UK Wind (UKW) and Greencoat Renewables, investing exclusively in operating wind and solar assets.75Credible Contributor
Ballard Power Systems
BLDPHydrogen fuel cellsBurnaby, CanadaCanadian PEM fuel cell pioneer supplying zero-emission hydrogen fuel cells for buses, trucks, trains, marine vessels and stationary power applications worldwide.74Credible Contributor
Sylvera
Carbon removalLondon, UKLondon carbon intelligence platform rating voluntary carbon credits AAA–D using satellite data, LiDAR, and machine learning to bring independent MRV and transparency to carbon markets.74Credible Contributor
EDF (Électricité de France)
Integrated utilityParis, FranceFrance's fully state-owned electricity giant generating 373 TWh of nuclear power in 2025; overall output is 94% decarbonised with a carbon intensity of 30 gCO₂/kWh, making it Europe's largest low-carbon generator.73Credible Contributor
Carbfix
Carbon removalReykjavik, IcelandIcelandic company that permanently mineralises CO₂ by dissolving it in water and injecting it into basaltic rock, where it solidifies into stone within two years rather than millennia.72Credible Contributor
Prysmian Group
PRYOffshore wind cablesMilan, ItalyItalian cable and systems manufacturer that is a leading supplier of high-voltage submarine cables and turnkey cable systems connecting offshore wind farms to shore across Europe and beyond.72Credible Contributor
TenneT
Grid / transmission & distributionArnhem, NetherlandsTenneT is the electricity transmission system operator for the Netherlands and a large part of Germany, managing high-voltage grids and cross-border power flows critical to integrating North Sea offshore wind capacity.72Credible Contributor
ERG SpA
ERGOnshore windGenoa, ItalyItalian energy company that transitioned from oil refining to become one of Italy's largest onshore wind operators, with assets across Europe.71Credible Contributor
Heirloom Carbon
Carbon removalBrisbane, CA, USAUS DAC company that accelerates the natural carbon mineralisation of limestone from years to days, with its first commercial facility in California and a second announced in Louisiana.71Credible Contributor
NIBE Industrier
NIBE-BHeat pumpsMarkaryd, SwedenSwedish manufacturer of heat pumps and energy-efficient climate systems for residential and commercial buildings across Europe and North America.71Credible Contributor
Siemens Gamesa Renewable Energy
Offshore wind turbinesZamudio, SpainWorld-leading offshore wind turbine manufacturer producing the SG 14-236 DD platform, with factories and service operations across the UK and Europe; wholly owned by Siemens Energy since 2023.71Credible Contributor
Solaria Energía y Medio Ambiente
SLRSolarMadrid, SpainSpanish solar developer and operator focused exclusively on large-scale photovoltaic projects across Spain, Italy, Portugal and Greece.71Credible Contributor
Hannon Armstrong Sustainable Infrastructure
HASIGreen Infrastructure FundAnnapolis, MD, USUS-listed REIT and infrastructure investor exclusively deploying capital into climate solutions including wind, solar, energy efficiency, and sustainable land assets.70Credible Contributor
Elia Group
ELIGrid / transmission & distributionBrussels, BelgiumBelgium's national electricity transmission system operator, also controlling 50Hertz — one of Germany's four TSOs — enabling the integration of large-scale offshore wind and cross-border renewable energy flows.69Credible Contributor
Umicore
UMIRecycling / circularBrussels, BelgiumBelgian materials technology and recycling group that recovers precious and base metals from complex e-waste and industrial residues, and produces battery cathode materials for electric vehicles.69Credible Contributor
Xylem
XYLWater technologyWashington, USXylem designs and manufactures water and wastewater technology — from smart meters and network management to treatment and analytics — serving utilities, industry, and municipalities across 150+ countries.69Credible Contributor
Charm Industrial
Carbon removalSan Francisco, CA, USAUS company converting agricultural biomass into carbon-rich bio-oil via fast pyrolysis, then permanently sequestering it by injecting it into deep geological formations.68Credible Contributor
Greenly
Carbon accountingParis, FranceSaaS carbon accounting platform enabling companies to automate GHG measurement across Scope 1, 2, and 3 using a library of 300,000+ emission factors, with compliance support for CSRD and GHG Protocol.68Credible Contributor
Nextracker
NXTSolarFremont, CA, USDesigns and manufactures intelligent solar tracker systems and software for utility-scale solar projects worldwide.68Credible Contributor
Sphera
ESG softwareChicago, USIntegrated ESG, environment-health-safety, operational risk, and product stewardship software platform serving 8,500 customers in 100 countries, acquired by Blackstone in 2021 at a $1.4B valuation.68Credible Contributor
thyssenkrupp nucera
NCH2Green hydrogenDortmund, GermanyGerman alkaline water electrolysis specialist offering industrial-scale electrolyser plants for green hydrogen production, spun out of thyssenkrupp and listed on Frankfurt in 2023.68Credible Contributor
Forest Carbon
Nature-based solutionsEdinburgh, United KingdomUK's leading developer of Woodland Carbon Code and Peatland Code projects, having funded 13M+ trees planted and 2,000 hectares of peatland restored; became employee-owned in 2023.67Credible Contributor
Persefoni
Carbon accountingTempe, USAI-driven carbon accounting and climate management SaaS platform helping companies and financial institutions measure, disclose, and manage their Scope 1, 2, and 3 emissions.67Credible Contributor
Polestar
PSNYEV MakerGothenburg, SwedenSwedish pure-play EV brand co-owned by Volvo Cars and Geely, producing the Polestar 2–4 electric vehicles and notable for industry-leading lifecycle carbon transparency.67Credible Contributor
Sif Group
SIFGOffshore wind foundationsMaasvlakte, Rotterdam, NetherlandsDutch steel manufacturer specialising exclusively in offshore wind monopile and transition-piece foundations, supplying projects across the North Sea and Baltic from its deep-water Maasvlakte facility.67Credible Contributor
Voltalia
VLTSASolarParis, FranceFrench independent power producer developing, building and operating solar, wind, hydropower and storage projects across Europe, Africa and Latin America.67Credible Contributor

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