Air pollution has become one of the world’s biggest environmental concerns that seem to be only getting worse. In our society, there are many air pollutants that harm humans and may be the cause of their death. They also harm living organisms and may harm crops and the natural environment. They are among the biggest and most dangerous environmental problems in societies. This episode was produced by The First Step. Qisasna, or “Our Stories,” is a product of a cross-cultural exchange podcast training program featuring 320 Yemeni and American students in four cohorts, or 640 students. Qisasna is sponsored by the Aspen Institute’s Stevens Initiative and funded by the U.S. Department of State. Amideast, in partnership with ICRD, YFCA, Hadhramout Foundation, and Kerning Cultures, implements the Qisasna Project.