New cohort includes 18 startups from six countries, spanning hydrogen, energy storage, carbon capture, and sustainable materials.
Portfolio now exceeds 280 companies across 27 countries, with more than $3.7 billion raised to date.
First New Zealand startup joins, marking expansion into new geographies.
RMI’s climate tech accelerator, Third Derivative, has welcomed 18 startups from six countries across four continents, broadening its portfolio to more than 280 companies. The program is designed to accelerate solutions in hard-to-abate sectors, spanning energy, buildings, transportation, and materials.
“From scalable bamboo building systems to modular green hydrogen, recyclable wind turbines to zero-emission cooling, these startups represent the cutting edge of global climate tech innovation,” said Rushad Nanavatty, Managing Director of Third Derivative. “Our class-leading portfolio continues to stay ahead of the emissions – by focusing on the industries, sectors, and geographies that are going to be the most consequential for our planet in the decades to come.”

The cohort includes innovators such as:
Aris Hydronics, offering integrated heating, cooling, and hot water systems tailored to buildings.
DTE Materials, developing low-cost bioaggregate solutions to cut concrete emissions by ~40%.
Dynami Battery, advancing faster charging and higher-capacity battery technology.
Ocean, building bamboo-based construction systems to reduce emissions and protect biodiversity.
Rewind Turbine, producing recyclable modular wind blades to lower costs and open new markets.
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Other startups target critical needs in carbon capture (Greengine Environmental Technologies), hydrogen production (Oort Energy, HYDGEN), and industrial efficiency (Torus Robotics).
Since its launch, Third Derivative’s portfolio has raised over $3.7 billion and created more than 4,400 jobs worldwide. Its growing network now spans 27 countries, reflecting both geographic diversity and sectoral depth.
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