Kenda Mutongi is a history professor at MIT and the author of, most recently, “Matatu: A History of Popular Transportation in Nairobi.” This piece is adapted from an essay in the fall 2023 ...

The Green Horizons initiative from IBM is using data analytics to measure air pollution in big African cities. It is also ...

Explore the wonders of Nairobi with these top 10 tips. Fresh fruits and vegetables fill a market in Nairobi, Kenya. Photography by Master2, Getty Images. TRAVEL; Discover the Best of Nairobi.