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.

Company
HQ country
Solution type
Index status
Description
Enapter AG
HQ country:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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:
π©πͺ 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.