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

Enapter AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Hydrogen

Clean energy

Index status:

Pure Play

Pure Play

Enapter makes hydrogen generators, specializing in the electrolyzer technology, thus improving access to green hydrogen around the world.

Fernheizwerk NeukΓΆlln Aktiengesellschaft

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

District Heating

Clean energy

Index status:

Pure Play

Pure Play

Fernheizwerk generates 100% of its revenue from selling District Heating to residences and buildings in Berlin. While it still primarily uses fossil fuels for this heating, it is a far more efficient use of energy than individual heating of spaces.

ZhongDe Waste Technology AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Waste To Energy

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

ZhongDe Waste Technology is a German company that specializes in the climate solution of Waste to Energy. Waste to Energy is one of those "unfortunate" climate solutions as it does result in emissions and pollution, but generally less than either letting waste rot (methane) or burning fossil fuels.

MAX Automation SE

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Recycling

Circular economy

Index status:

Failed Revenue Filter

Failed Revenue Filter

MAX Automation is a holding company that owns multiple automation companies. Their largest specializes in recycling automation, but it only represents 40% of their revenue, so we exclude them as of our 2025 review.

Clere AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Clere is a German solar energy developer with plants across Europe and the UK.

Pilkington Deutschland AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

High Performance Glass

Building efficiency

Index status:

Passes Revenue Filter

Passes Revenue Filter

Pilkington Deutschland is a German producer of high performance highly insulating glass that helps buildings maintain a stable internal temperature with less energy.

Next.e.GO N.V.

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Electric Cars

Clean transportation

Index status:

Pure Play

Pure Play

Next.e.Go is a German producer of electric vehicles.

Lechwerke AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Electrical Utility

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Lechwerke is a German electricity provider that generates its electricity from hydropower and solar.

Elaris AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Electric Cars

Clean transportation

Index status:

Pure Play

Pure Play

Elaris is a German electric car and truck manufacturer that also offers charging stations.

Heramba Electric plc

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Electric Trains

Clean transportation

Index status:

Pure Play

Pure Play

Heramba Electric is a German firm that enables both train and bus systems to get electrified.

PNE AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

PNE is a solar and wind developer that generates a majority of its revenue from renewables and some from biomass which we no longer consider a climate solution.

H2APEX Group SCA

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Hydrogen

Clean energy

Index status:

Pure Play

Pure Play

H2APEX Group is a German firm specializing in green hydrogen, which is hydrogen that is made without fossil fuels.

ALBA SE

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Recycled Metals

Circular economy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Alba is a German waste management company that makes a majority of its revenue from steel and metal recycling, an important climate solution that avoids the need to extract raw metals from the natural world.

Altech Advanced Materials AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Energy Storage

Clean energy

Index status:

Lacks Information

Lacks Information

Altech Advanced Materials is a German company that claims to have made more efficient lithium-ion battery technology, but they have not provided an investor report in two years and they recently were a "green paper" company, so we'll revisit them in next years update.

Meta Wolf AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Meta Wolf is a German provider of construction equipment that also generates 2% of their revenue from solar farms.

Knorr-Bremse AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Mass Transit

Clean transportation

Index status:

Lacks Information

Lacks Information

Knorr-Bremse is a German manufacturer of train safety components. While they do have many products that serve passenger trains, they also serve freight and they do not provide a breakdown of revenue from each segment, so we exclude them in our 2025 review.

MΓΌhlbauer Holding AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

While Muhlbauer does some work with solar cells and their RFID cards can be used in enabling transit a majority of their revenue comes from other RFID technologies that are not climate solutions, as of our 2025 review.

Smart Grids AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Lacks Information

Lacks Information

Smart Grids is a German company that purports to specialize in solar and smart grids, but they have no revenue we can find and their last annual report was in 2022, so we will exclude them as of our 2025 review.

Lilium N.V.

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Electric Aviation

Clean transportation

Index status:

Pure Play

Pure Play

Lilium is a Germany company developing electric vertical takeoff and landing aircraft that can help transport people through the air without fossil fuels.

Philomaxcap AG

HQ country:

πŸ‡©πŸ‡ͺ Germany

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Philomaxcap is a German firm that is involved in many industries. While they do generate some revenue from renewable energy, they generate far more from real estate management and communications.