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
WESCO International
HQ country:
🇺🇸 United States
Solution type:
SmartGrid
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
WESCO International provides grid expansion and flexibility and EV charging infrastructure, but these make up less than 50% of its revenue, so it fails our revenue filter.
Westinghouse Air Brake Technologies
HQ country:
🇺🇸 United States
Solution type:
Mass Transit
Clean transportation
Index status:
Failed Revenue Filter
Failed Revenue Filter
Westinghouse Air Brake Technologies provides mass transit, but this makes up less than 50% of its revenue, so it fails our revenue filter.
Westwater Resources
HQ country:
🇺🇸 United States
Solution type:
Energy Storage
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
We're keeping an eye on them, but as of last annual rebalance, they fell below our $250m market cap exclusion.
Willdan
HQ country:
🇺🇸 United States
Solution type:
Retrofit
Building efficiency
Index status:
Passes Revenue Filter
Passes Revenue Filter
Willdan Group generates a majority of its revenue from building automation, insulation, and grid expansion and flexibility. 85% of its revenue comes from these solutions.
Workhorse
HQ country:
🇺🇸 United States
Solution type:
Electric Cars
Clean transportation
Index status:
Failed Revenue Filter
Failed Revenue Filter
We're keeping an eye on them, but as of last annual rebalance, they fell below our $250m market cap exclusion.
Xcel Energy
HQ country:
🇺🇸 United States
Solution type:
Electrical Utility
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
Xcel Energy generates most of its electricity from clean sources, but still relies on coal or other fossil fuel generation, so it fails our coal filter.
Xos
HQ country:
🇺🇸 United States
Solution type:
Electric Cars
Clean transportation
Index status:
Failed Revenue Filter
Failed Revenue Filter
We're keeping an eye on them, but as of last annual rebalance, they fell below our $250m market cap exclusion.
XPeng
HQ country:
🇺🇸 United States
Solution type:
Electric Cars
Clean transportation
Index status:
Pure Play
Pure Play
XPeng is a pure play in electric vehicles.
Xylem
HQ country:
🇺🇸 United States
Solution type:
Water Distribution
Building efficiency
Index status:
Failed Revenue Filter
Failed Revenue Filter
Xylem generates a majority of its revenue from water distribution.
Zeo Energy
HQ country:
🇺🇸 United States
Solution type:
Solar, PVs
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
We're keeping an eye on them, but as of last annual rebalance, they fell below our $250m market cap exclusion.
Zoom Video Communications
HQ country:
🇺🇸 United States
Solution type:
Telepresence
Clean transportation
Index status:
Pure Play
Pure Play
Zoom Communications is a pure play in telepresence.
ZOOZ Power .
HQ country:
🇺🇸 United States
Solution type:
Energy Storage
Clean energy
Index status:
Failed Revenue Filter
Failed Revenue Filter
We're keeping an eye on them, but as of last annual rebalance, they fell below our $250m market cap exclusion.