Azolla Ventures

Azolla Ventures is a Cambridge, Massachusetts venture firm founded in 2021 to invest in breakthroughs that could avert catastrophic climate change. It was created by Prime Coalition, a nonprofit that steers and influences capital toward scalable solutions to climate change, and it manages roughly $289 million across its vehicles. The firm is climate-exclusive and impact-first. Every investment must hold credible potential for gigaton-scale greenhouse gas reduction, and Azolla concentrates on ventures at the earliest stages, where risk and reward are highest and conventional venture capital is least available. Because its capital is catalytic rather than purely return-seeking, the firm can underwrite opportunities that sit outside venture norms: long development timelines, unusual corporate structures, first-of-a-kind hardware, and sectors with few established exit comparables. Investment areas run across energy generation and storage, industrial decarbonization, materials, carbon management, buildings, transportation, and food and agriculture. Diligence pairs standard commercial assessment with an explicit emissions-impact thesis, and the firm is deliberate about backing founders from outside traditional venture networks. Portfolio companies include Avalanche Energy, which is developing compact fusion devices, and Lilac Solutions, which is commercializing ion-exchange lithium extraction, both capital-intensive hardware companies typical of the mandate. For founders, Azolla is most relevant from pre-seed through Series A, when a technology has large theoretical climate upside but not yet the revenue profile a conventional fund requires. Teams should be prepared to quantify avoided emissions at scale as part of diligence and to accept impact reporting as an ongoing obligation, in exchange for an investor whose structure tolerates the timelines that hard climate technology actually needs.