Helix Earth, a Houston-based hardware company built on proprietary liquid-gas chemistry with roots in NASA aerospace technology, announced the successful close of its $12 million oversubscribed Seed 2 funding. The oversubscribed financing round was led by Veriten, an energy research, strategy, and investing firm, with participation from Rua Ventures, Carnrite Ventures, Skywriter LLC, Textbook Ventures, and others. The round drew backing from key innovation hubs across Silicon Valley, Boston, New York, Houston, and Saudi Arabia, all united by conviction in practical innovation across the built environment, industrial filtration, and CO2 capture sectors.