Alta Resource Technologies develops a protein-based method to extract rare earth elements from e-waste, aiming to produce these metals domestically and enhance national security.

Cache Energy develops lime-derived pellet technology for efficient energy storage and transportation to replace fossil fuels in industrial and residential heating.

Annea is a climate tech startup that provides a digital twin platform for predictive maintenance and performance optimization of renewable energy infrastructure.

Lydian is a Cambridge-based startup specializing in the production of sustainable, CO2-derived fuels and chemicals, using a proprietary high-temperature electric reactor to create e-fuels and carbon-negative industrial chemicals from captured CO2 and renewable electricity.