Alternatives to Zeiww

Develops and manufactures rotor sails for wind-assisted propulsion on ships.

Develops, owns, and operates industrial-scale facilities producing green hydrogen derived e-Fuels.

Electra is decarbonizing the iron and steel industry with clean-iron electrowinning technology.

Platform for home and vehicle electrification, offering personalized recommendations and supplier connections.

Carbon removal services using enhanced rock weathering to combat climate change.

A global initiative focused on improving air quality and safeguarding public health in urban environments.

A digital marketplace connecting businesses with vetted renewable energy providers, financing, and expertise.

Cleanwatts is a company focused on renewable energy, specifically in the development and management of renewable energy communities.

Helping farmers earn carbon credits through regenerative agriculture and nature-based solutions across South Asia.

Spark Cleantech develops advanced catalysts and processes for sustainable chemical production.

Developing novel catalysts and processes for sustainable nitrogen fertilizer production.

Direct air capture technology for atmospheric CO2 removal.

HotGreen Solutions is a startup focused on sustainable energy solutions, particularly in solar and energy efficiency.

Aemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.

German provider of integrated renewable energy solutions for homeowners, offering solar panels, battery storage, heat pumps, and EV charging.

Nuclear energy startup developing small, high-temperature reactors for AI data centers and industrial applications.

Electric vehicle technology company specializing in zero-emission buses and charging infrastructure.

Global climate solutions provider helping organizations achieve net-zero emissions.

BasiGo provides electric buses and charging infrastructure to public transport operators in Africa, aiming to decarbonize urban transport.