The human health effects of air pollution and climate change can exacerbate each other and some air pollutants, like black carbon, are both hazardous to human health and powerful greenhouse gasses. We spoke with Dr. Collins Gameli Hodoli about the importance of increasing awareness of poor air quality–through the use of a mobile app he developed–to developing policies to improve air quality in Ghana. For a transcript, please visit https://climatebreak.org/using-mobile-apps-to-improve-air-quality-awareness-in-ghana-with-dr-collins-gameli-hodoli/