Global Climate Solution Stocks

A comprehensive list of publicly listed companies that generate >50% of their revenue from climate solutions that are headquartered in the following seven major global regions.

Note that we provide this list as a publicly available resource solely for the purpose of education. This list was updated in May of 2026 By James Regulinski, CIO & CCO at Carbon Collective.
It is not updated on a regular cadence.

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Company type:

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Company

HQ country

Solution type

Index status

Description

STEICO SE

HQ country:

🇩🇪 Germany

Solution type:

Insulation

Building efficiency

Index status:

Passes Revenue Filter

Passes Revenue Filter

Steico specializes and makes over 50% of their revenue from offering insulation made with low-value scrap lumber, thus enabling two climate solutions: Industrial Recycling and Insulation

Ceritech AG

HQ country:

🇩🇪 Germany

Solution type:

Critical Minerals

Clean energy

Index status:

Pure Play

Pure Play

Ceritech is a German mining company that explores for lithium and rare earth minerals, both critical minerals for the energy transition.

SCHMID Group N.V.

HQ country:

🇩🇪 Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Lacks Information

Lacks Information

SCHMID is a German manufacturer that both makes solar cells and printed circuit boards. We could not find a revenue breakdown by segment, so we exclude them as of our 2025 review.

DWK Deutsche Wasserkraft AG

HQ country:

🇩🇪 Germany

Solution type:

Hydropower

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

DWK Deutsche Wasserkraft is a German utility that generates all of its power from hydropower, a carbon-free source of electricity.

OSRAM Licht AG

HQ country:

🇩🇪 Germany

Solution type:

LED

Building efficiency

Index status:

Passes Revenue Filter

Passes Revenue Filter

OSRAM is a lighting company in Germany that provides many LED chips that enable LEDs to provide more energy efficient lighting

TERNA ENERGY Industrial Commercial Technical Societe Anonyme

HQ country:

🇬🇷 Greece

Solution type:

Solar, PVs

Clean energy

Index status:

Pure Play

Pure Play

Terna Energy is a Greek renewable energy developer with solar, wind, biogas, and storage projects in Greece and around Europe. As of our 2025 review they have expanded to projects in North America

Public Power Corporation S.A.

HQ country:

🇬🇷 Greece

Solution type:

Electrical Utility

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Public Power is a Greek electrical utility that generates most of its electricity from fossil fuels and biomass, so we exclude them.

Metlen Energy & Metals S.A.

HQ country:

🇬🇷 Greece

Solution type:

Electrical Utility

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Metlen Energy is a Greek power producer that generated 81% of its revenue from producing electricity from fossil fuels.

N. Leventeris S.A.

HQ country:

🇬🇷 Greece

Solution type:

Grid Expansion

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

N. Leventeris is a Greek producer of steel cabling. While some of their products are used in supporting the electrical grid, most are for other applications, so we exclude them

Quest Holdings S.A.

HQ country:

🇬🇷 Greece

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Quest Holdings is a Greek conglomerate that does generate some revenue from developing renewable energy in Greece, but generates more from its other business activities like IT, telecomms, and shipping.

Centric Holdings S.A.

HQ country:

🇬🇷 Greece

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

While Centric Holdings does engage in the renewable energy industry in Greece, its main business is onboard entertainment at hotels and on yachts in Greece, which is not a climate solution.

Unibios Holdings S.A.

HQ country:

🇬🇷 Greece

Solution type:

Water Distribution

Building efficiency

Index status:

Failed Revenue Filter

Failed Revenue Filter

Unibios Holdings owns Watera, which is a Luxembourg-based water treatment firm. While Watera does provide some water efficiency products, they do most of their business in waste water treatment and desalination, which while important, are not direct climate solutions.

Evropi Holdings Societe Anonyme

HQ country:

🇬🇷 Greece

Solution type:

Hydropower

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Envropi is a Greek construction firm that does serve the hydropower industry, but generates most of its revenue from other industries like retail stores and buildings.

PannErgy Nyrt.

HQ country:

🇭🇺 Hungary

Solution type:

Geothermal

Clean energy

Index status:

Pure Play

Pure Play

PannErgy is a Hungarian provider of Geothermal energy and heat that uses the heat of the earth to produce electricity and enable district heating without burning fossil fuels.

ALTEO Energy Services Public Limited Company

HQ country:

🇭🇺 Hungary

Solution type:

Electrical Utility

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

ALTEO Energy is a Hungarian electrical utility that generated about half of its electricity from fossil fuels, so we exclude them.

NAP Nyilvánosan Muködo Részvénytársaság

HQ country:

🇭🇺 Hungary

Solution type:

Solar, PVs

Clean energy

Index status:

Pure Play

Pure Play

NAP Nyilvánosan Muködo Részvénytársaság is a Hungarian pure play solar developer.

Masterplast Nyrt.

HQ country:

🇭🇺 Hungary

Solution type:

Insulation

Building efficiency

Index status:

Passes Revenue Filter

Passes Revenue Filter

Masterplast is a Hungarian provider of insulation, a key climate solution so buildings can stay at a stable temperature with less energy.

Trane Technologies plc

HQ country:

🇮🇪 Ireland

Solution type:

Heat Pumps

Building efficiency

Index status:

Failed Revenue Filter

Failed Revenue Filter

Trane Technologies is an Irish HVAC supplier that while investing a lot in building more energy efficient heat pump HVAC systems, still generates most of its revenue from traditional HVAC technologies as of our 2025 review.

Arcadium Lithium plc

HQ country:

🇮🇪 Ireland

Solution type:

EV Supply Chain

Clean transportation

Index status:

Pure Play

Pure Play

Arcadium Lithium is an Ireland-based lithium refiner that specializes in producing battery-grade lithium, which is required for both EV's and energy storage.

ADS-TEC Energy PLC

HQ country:

🇮🇪 Ireland

Solution type:

EV Infrastructure

Clean transportation

Index status:

Pure Play

Pure Play

ADS-TEC makes all of its revenue from energy storage and electric car energy storage systems, all with a goal of making it faster and more convenient to drive an electric car.