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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

237 companies

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

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Score / tier
  1. 01

    Climeworks

    Carbon Removal/Zurich, 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
  2. 02

    Sunrun

    RUN
    Solar/San 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
  3. 03

    Octopus Energy

    Energy/London, 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
  4. 04

    Lyten

    Advanced Materials/San Jose, CA, USAAdvanced materials company commercialising lithium-sulfur batteries and 3D graphene applications that promise lighter, cheaper energy storage with a lower carbon footprint.
    52Mixed / Improving
  5. 05

    Pachama

    Nature & Carbon Markets/San Francisco, CA, USAUses satellite data and machine learning to verify and monitor forest carbon projects, bringing transparency and quality to nature-based carbon markets.
    52Mixed / Improving
  6. 06

    Commonwealth Fusion Systems

    Energy/Devens, MA, USAMIT spin-out building compact tokamak fusion reactors using high-temperature superconducting magnets, targeting commercial fusion power with its SPARC and ARC machines.
    51Mixed / Improving
  7. 07

    Beyond Meat

    BYND
    Food & Agriculture/El Segundo, CA, USAPlant-based meat producer whose products aim to cut the land, water and emissions footprint of animal agriculture while matching the taste of conventional meat.
    50Mixed / Improving
  8. 08

    Drax Group

    DRX
    Power Generation/Selby, UKUK power generator that converted its coal plant to burn wood-pellet biomass, which it markets as renewable and 'carbon negative' — a claim widely contested by scientists and journalists.High greenwashing risk
    16Greenwashing / Harmful
  9. 09

    ExxonMobil

    XOM
    Oil & Gas/Spring, TX, USAOne of the world's largest publicly traded oil and gas companies, with growing upstream production alongside a comparatively small low-carbon solutions division.High greenwashing risk
    16Greenwashing / Harmful
  10. 10

    Ryanair

    RYAAY
    Aviation/Dublin, IrelandEurope's largest low-cost airline by passenger numbers, which has marketed itself as a low-emissions carrier despite being one of the continent's biggest single CO₂ emitters.High greenwashing risk
    15Greenwashing / Harmful
  11. 11

    Enel

    ENEL
    Integrated utility/Rome, ItalyItaly's largest power utility and one of the world's biggest integrated operators, with 16.9 GW renewable capacity in Italy alongside 11.3 GW of thermal; committed to phasing out fossil gas by 2040.
    65Credible Contributor
  12. 12

    Foresight Group

    FSG
    Green Infrastructure Fund/London, UKLondon-listed infrastructure and private equity investment manager with a large renewable energy portfolio spanning solar, wind, battery storage, and bioenergy assets across Europe and beyond.
    65Credible Contributor
  13. 13

    Itron

    ITRI
    Grid / smart-grid & metering technology/Liberty Lake, Washington, USAItron delivers smart meters, network infrastructure, and grid-edge analytics that enable utilities to optimise energy delivery, reduce losses, and integrate distributed renewable energy resources.
    65Credible Contributor
  14. 14

    Low Carbon

    Onshore wind/London, UKUK-based renewable energy investment and development platform focused on onshore wind, solar, and battery storage projects in Britain and internationally.
    65Credible Contributor
  15. 15

    National Grid plc

    NG.
    Electricity transmission / grid infrastructure/London, United KingdomOperates the UK's high-voltage electricity transmission network and US electricity and gas distribution businesses.
    65Credible Contributor
  16. 16

    SSE plc

    SSE
    Electricity generation / networks/Perth, Scotland, United KingdomUK-based energy company with a large renewables portfolio (onshore/offshore wind, hydro) and electricity networks; one of the UK's leading clean-energy investors.
    65Credible Contributor
  17. 17

    Swiss Re

    SREN
    Reinsurer/Zurich, SwitzerlandOne of the world's two largest reinsurers, a pioneer in climate-risk modelling and parametric insurance products, and committed to ceasing coverage of new oil-sands and coal projects.
    65Credible Contributor
  18. 18

    Vattenfall

    Integrated utility/Solna, SwedenSwedish state-owned utility with a largely fossil-free generation mix (hydro, nuclear and wind); planning small modular reactor (SMR) expansion.
    65Credible Contributor
  19. 19

    Kraken Technologies

    Grid / smart-grid & VPP software/London, UKKraken Technologies — an Octopus Energy Group subsidiary — provides a cloud-native energy retail and grid flexibility operating system licensed to utilities worldwide, enabling demand response, smart tariffs, and distributed energy resource management at scale.
    64Credible Contributor
  20. 20

    Vaillant Group

    Heat pumps/Remscheid, GermanyGerman heating manufacturer pivoting aggressively to heat pumps — opened a dedicated heat pump mega-factory in 2024 — but continues to produce gas boilers alongside its growing heat pump range.
    64Credible Contributor
  21. 21

    Ceres Power

    CWR
    Hydrogen fuel cells/Horsham, UKUK developer of proprietary solid oxide cell technology licensed to global manufacturers for both distributed power generation and green hydrogen electrolysis.
    63Credible Contributor
  22. 22

    Energy Vault Holdings

    NRGV
    Energy storage/Westlake Village, CA, USDevelops gravity-based and battery energy storage systems alongside an energy management software platform for utilities, IPPs, and industrial and data-centre clients.
    63Credible Contributor
  23. 23

    Siemens Energy

    ENR
    Grid / equipment & technology/Munich, GermanySiemens Energy — spun off from Siemens AG in 2020 — provides high-voltage grid technologies, power transformers, HVDC systems, and energy management software essential for transmission infrastructure serving renewable generation.
    63Credible Contributor
  24. 24

    SkyNRG

    Sustainable aviation fuel/Amsterdam, NetherlandsDutch SAF supply and production company co-founded by KLM that supplied the world's first commercial SAF flight in 2011 and is developing production facilities across the Netherlands, Sweden, and the US.
    63Credible Contributor
  25. 25

    Lightsource bp

    Solar/London, UKUK-headquartered solar energy developer and operator with a global portfolio of utility-scale solar and storage projects, majority-owned by bp.
    62Credible Contributor
  26. 26

    Maxeon Solar Technologies

    Solar/SingaporeSingapore-based producer of high-efficiency back-contact solar panels under the Maxeon brand for residential and commercial markets globally.
    62Credible Contributor
  27. 27

    Northern Powergrid

    Grid / transmission & distribution/Penshaw, Sunderland, UKNorthern Powergrid operates the electricity distribution network for northeast England and Yorkshire, serving approximately 3.9 million homes and businesses and investing in network modernisation to support electrification of heat and transport.
    62Credible Contributor
  28. 28

    Osprey Charging

    EV chargingUK rapid EV charging network (originally founded as Engenie) operating over 1,300 rapid chargers at 380+ locations, powered by 100% renewable energy.
    62Credible Contributor
  29. 29

    Urenco Group

    Nuclear / SMR/Stoke Poges, United KingdomUrenco is a multinational uranium enrichment company jointly owned by the UK, Dutch, and German governments, operating centrifuge plants in the UK, Netherlands, Germany, and US and supplying roughly 30% of global enriched uranium.
    62Credible Contributor
  30. 30

    Canadian Solar

    CSIQ
    Solar/Guelph, ON, CanadaVertically integrated solar company manufacturing panels and developing utility-scale solar and battery storage projects across more than 20 countries.
    61Credible Contributor
  31. 31

    Galvanize Climate Solutions

    Climate VC/New York, NY, USClimate-focused investment firm co-founded by Tom Steyer and Katie Hall deploying across growth equity, venture, and infrastructure to accelerate the net-zero transition.
    61Credible Contributor
  32. 32

    Renewi

    RWI
    Recycling / circular/Milton Keynes, United KingdomAnglo-Dutch waste-to-product company that collects, treats, and transforms commercial, industrial, and hazardous waste into secondary raw materials across the UK, Netherlands, Belgium, and France.
    61Credible Contributor
  33. 33

    AXA

    AXA
    Insurer/Paris, FranceGlobal insurer that was among the first major institutional investors to divest from coal and tar sands, and has committed over €26 billion to green investments as part of its Net Zero 2050 roadmap.
    60Credible Contributor
  34. 34

    EcoVadis

    Supply chain sustainability/Paris, FranceGlobal supply chain sustainability ratings platform assessing 175,000+ suppliers across 180 countries using AI combined with 500+ in-house analysts, trusted by 1,500+ global procurement leaders.
    60Credible Contributor
  35. 35

    EnBW Energie Baden-Württemberg

    EBK
    Integrated utility/Karlsruhe, GermanyGermany's third-largest utility, post-nuclear since Neckarwestheim II decommissioned in 2023; deploying a €50bn 2025–2030 programme heavily weighted to renewables with gas plants retained as hydrogen-convertible bridge capacity.
    60Credible Contributor
  36. 36

    Jan De Nul Group

    Offshore wind installation/Hofstade-Aalst, BelgiumBelgian family-owned dredging and marine engineering contractor with a large fleet specialised in offshore wind cable installation and foundation work, active on major European and international projects.
    60Credible Contributor
  37. 37

    Clarity AI

    ESG data/New York, USSustainability technology platform using AI and machine learning to deliver environmental and social impact data on 98,000+ public issuers, 2.3 million private companies, and 450,000+ funds for institutional investors and corporates.
    59Mixed / Improving
  38. 38

    Enphase Energy

    ENPH
    Solar/Fremont, CA, USDesigns and manufactures microinverter-based solar and battery energy systems for residential and commercial customers globally.
    59Mixed / Improving
  39. 39

    Pivot Bio

    Agritech/Berkeley, CA, USEngineers microbes that fix atmospheric nitrogen directly onto crop roots, reducing synthetic fertiliser use and the nitrous oxide emissions from conventional nitrogen application.
    59Mixed / Improving
  40. 40

    Terraformation

    Nature-based solutions/Hilo, Hawaii, USAHawaii-based reforestation company restoring native tropical ecosystems and providing seeds, software, and funding advisory to forest restoration projects across five continents.
    59Mixed / Improving
  41. 41

    Wildlife Works

    Nature-based solutions/Mill Valley, California, USAPioneer community-centred REDD+ forest carbon developer protecting 1.24 million acres across Kenya and the DRC, and the first company to achieve VCS+CCB dual verification for a REDD+ project.
    59Mixed / Improving
  42. 42

    DEME Group

    DEME
    Offshore wind installation/Zwijndrecht, BelgiumBelgian specialist marine contractor and one of the largest offshore wind installation companies globally, handling foundation installation, cable-laying, and turbine erection across European and international projects.
    58Mixed / Improving
  43. 43

    Engie

    ENGI
    Integrated utility/Paris, FranceFrench-Belgian international utility with installed capacity split roughly evenly between gas and renewables; pivoting toward energy-transition services while maintaining large gas infrastructure and pursuing green-gas conversion.
    58Mixed / Improving
  44. 44

    GE Vernova

    GEV
    Onshore wind/Cambridge, USWind turbine manufacturer and energy transition company spun off from General Electric in 2024, supplying onshore and offshore wind turbines globally.
    58Mixed / Improving
  45. 45

    Generate Capital

    Green Infrastructure Fund/San Francisco, CA, USSustainable infrastructure platform that finances, owns, and operates clean energy and resource-efficiency assets including solar, storage, microgrids, and water.
    58Mixed / Improving
  46. 46

    ITM Power

    ITM
    Green hydrogen/Sheffield, UKUK PEM electrolyser manufacturer operating the world's largest electrolyser factory in Sheffield, producing green hydrogen for industrial and energy applications.
    58Mixed / Improving
  47. 47

    NextEra Energy

    NEE
    Onshore wind/Juno Beach, USThe world's largest generator of renewable energy from wind and solar, operating over 30 GW of wind capacity across North America.
    58Mixed / Improving
  48. 48

    NIO

    NIO
    EV Maker/Shanghai, ChinaChinese premium EV maker offering battery-swap capable electric cars, SUVs, and MPVs across three brands (NIO, ONVO, Firefly), with no ICE models.
    58Mixed / Improving
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