Commercial space travel could exacerbate our air pollution problems

The Axiom-1 mission to send four private astronauts to the International Space Station is the first of many missions planned by NASA to expand the ISS for commercial use as part of what’s being called the low-Earth orbit economy. The commander of the Axiom-1 mission has emphatically stated that this is not an example of space tourism, as the crew have undergone training and the mission includes plans to conduct biomedical research. Crew members – all men aged 52 to 71 – report