Global Climate Solution Stocks

Haiki is an Italian waste management company that captures methane from its landfills and also engages in multiple forms of recycling to further enable the circular economy.

Raen is a Polish solar development company which identifies projects and helps foreign investors build in Poland

Ecosuntek is an Italian renewable energy developer with solar and wind projects in Italy and Romania

Green Oleo takes wasted oils and fats from the food processing industry and turns them into soaps and valuable industrial products

RWE is a German utility that generates over 75% of its power from hydro and wind, both zero carbon sources.

SolarWorld is a German company that makes a number of pre-made solar configurations for use in specific scenarios like pitched roofs or balconies. They also offer a variety of solar + battery offgrid product offerings.

MAIRE is an Italian construction firm that specialize in projects for the fossil fuel industry as well as power plants. They generate about 7% of their revenue from green ammonia, but that falls far short of our threshold.

Greencoat Renewables is a renewable energy developer based out of Ireland that owns over 39 renewable energy farms. As of our 2025 review, they also do energy storage.

Arteche Lantegi Elkartea is a Spanish company that provides a range of products that are necessary for operating and expanding the electrical grid from transformers to substations.

7C Solarparken is a German solar developer with projects in Germany and Belgium

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

Cox Group is a Spanish energy developer that generates over half its revenue from building power line projects and solar and wind energy. They also build desalination plants.

Valoe makes technologies to manufacture solar panels and also produces their own panels, with both double and single backed varieties.

Saxlund is a Swedish cleaning company that specializes in flue gas cleaning. While they do generate some revenue from capturing and recycling waste heat, we cannot discern if this is a majority.

Absolicon Solar Collector helps industrial processes that require heat to generate that heat from captured solar rays rather than fossil fuels.

USTRA operates a light rail and large bus fleet in the Hamburg region of Germany. As its sole business is enabling Mass Transit solutions, we include them.

Aperam is a major steel producer based in Luxembourg. While they do generate about 20% of their revenue from recycling steel, they do not generate a majority of their steel from recycled steel so we exclude them.

Sponnova is a Finnish company that makes a novel textile thread without fossil fuels that can be endlessly recycled, thus enabling a more circular economy a key Drawdown solution.

EnviTec Biogas is a German making of biogas technologies for use primarily in agriculture. Their technologies process animal and other agricultural waste into usable natural gas replacements.

Friedrich Vorwerk is a German company that generates some of its revenue from providing green hydrogen, but it produces more from natural gas so we exclude them.