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Proudly supported by


Dr. Emily Reichert

CEO, Greentown Labs

Pat Sapinsley

Managing Director, Urban Future Lab

Dr. Emily Grubert

Deputy Assistant Secretary of Office of Carbon Management at the US Department of Energy

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Greentown Labs

Greentown Labs is a community of climatetech and cleantech pioneers working to design a more sustainable world.

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Air Co

Air Company transforms CO₂ into high-purity alcohols that can be used in spirits, sanitizers, and a variety of consumer industries.


Carbfix provides a natural and permanent carbon storage solution by turning CO₂ into stone underground.


We only have one planet, one atmosphere, and CarbonFree is driven by the passion to be part of the global journey to net-zero.


CarbonQuest provides decarbonization technologies and solutions for buildings with a focus on modular carbon capture.

Cemvita Factory

Cemvita Factory engineers microorganisms to use CO₂ as feedstock for biomanufacturing of intermediate chemicals such as ethylene.


CERT converts CO₂ to chemicals such as ethylene via electrolysis.

Made of Air

Made of Air creates drop-in ready, durable thermoplastics using carbon captured by biomass.

Mars Materials

Mars Materials develops a new pathway for carbon fiber production using CO₂ as a raw material.


Patch is a platform for negative emissions.

Planetary Hydrogen

Planetary Hydrogen combines hydrogen production with CO₂ sequestration via ocean air capture.

Carbon to Value Initiative

Fueled by the Urban Future Lab, Greentown Labs, and Fraunhofer USA