In the fourth episode of the City Health and Well-being podcast, Vishal Mehta talks to Romanus Opiyo, an urban planner by training and SEI's program head in their Africa center located in Nairobi, Kenya.Vishal and Romanus discuss the work spearheaded by Romanus and the rest of the SEI team on air pollution.

Episode art image credit: Lawrence Nzuve / SEI.