“Giaura stems from the ancient Greek words for earth and air” says Max Beaumont, the 30-year-old founder of the company, “because it turns the Earth’s biggest waste stream, namely CO2, to a resource. And by doing so it may generate a profitable and sustainable business.” The origin of Giaura is breathtaking: recycling of exhaled, CO2 rich air back to initial conditions... for astronauts in spacecrafts. Maintaining an appropriate gas mixture is key to the survival of astronauts as they spend long periods on international space missions. Furthermore, CO2 extractors must both be compact and highly efficient in order to save energy. Accordingly, over a period of 15 years and with a budget of 70 million euros, ESA, in partnership with other space agencies including NASA, d...