ZeroAvia, an Impala Ventures portfolio company with a mission to transition the world to zero-emission, hydrogen-fueled flight, picked up a significant tailwind as it announced $21.4 million in new funding in a Series A round and secured an additional grant from the UK government of $16Million. Breakthrough Energy Ventures and Ecosystem Integrity Fund led the raise, with follow-on investors Amazon Climate Pledge Fund, Horizons Ventures, Shell Ventures, and Summa Equity.