5 min readPreparations for Next Moonwalk Simulations Underway (and Underwater) A busy street in Addis Ababa, Ethiopia’s capital, which is the subject of NASA-led air quality research.Ninaras (CC BY-SA 4.0) A NASA-funded air pollution monitoring network has provided one of the most detailed long-term views yet of the role of black carbon, or soot produced by fires, diesel vehicles, and other combustion sources, in Ethiopia’s capital, Addis Ababa.…