Global Climate Solution Stocks

Fusion Fuel Green is an Irish producer of electrolyzers than enable the production of green hydrogen in a variety of applications.

European Green Transition is a mining company that only focuses on extracting critical minerals for the energy transition.

Unicorn Mineral Resources is an Irish mining company that still seems to be in the exploratory phases of its mine and what it could find there.

Johnson Controls is an Irish company that specializes in automating buildings so they can maintain a stable internal temperature and heat and cool water with less energy.

Kingspan Group is an Irish producer of high quality insulation materials for buildings that helps them use less energy to maintain a stable internal temperature.

Arkle Resources is an Ireland based mining company that explores for multiple critical minerals, but generates more revenue from non-critical ones like gold.

While Clontarf is exploring for lithium, it makes the majority of its revenue from oil and gas as of our 2025 review.

Great Western Mining is an Irish firm that owns mining rights in Nevada in the US. They are exploring for both gold and copper, but as they have not begun, they do not have revenue from each, so we exclude them.

ATON Green Storage is an Italian company that builds and sells combined solar and energy storage systems for a range of applications like residential and utility.

Acinque is an Italian utility company that generates its electricity from two gas cogeneration plants, so we exclude them.

Innovatec provides a range of services to the energy industry and it is unclear how much is actually oriented towards renewable vs. traditional forms of energy so we exclude them for lack of information again in our 2025 review.

PLC is an Italian based renewable developer with operations building and maintaining solar and wind farms and also biodigesters with about 8 GWs of renewable energy managed as of our 2025 review.

In our 2025 review, we now consider Altea Green Power a pure play solar developer based out of Italy.

Redelfi is an Italian company that generates a majority of its revenue from mini-hydro plants and developing solar farms, as of our 2025 review.

Energy is an Italian designer and distributor of battery systems for a variety of applications, but particularly energy storage, a key climate solution.

Webuild is a large Italian infrastructure construction firm. As of our 2025 review, they generated 31% of their revenue from hydropower and green building construction with much of the remaining coming from the construction of transit systems like railways and metros, so we include them

EEMS Italia is an Italian semiconductor firm that is signaling a transition into providing solar panels, but they do not seem to have updated their materials or provided new financials since our 2023 review, so we exclude them for lacks information.

ESI is a renewables developer based in Italy that has solar, wind, min-hydro, and energy storage projects in Africa and Italy.

Ariston Holdings generates a majority of its revenue from selling high-efficiency heat pump heaters for water and air again in our 2025 review.

Glass to Power is looking to commercialize a lab-based innovation that would enable normal windows to generate solar power without degrading the internal experience, which we found again in our 2025 review.