Skip to content

Enrique Cifuentes

Page 1 of 1

Air quality in Mexico City is influenced by the bowl-like valley it sits within, surrounded by pollution-trapping mountains like those in this 47-story view (photo 1). Heavy traffic accounts for most of the air pollution in this megacity of 22 million residents (photo 2). Yet it also has the largest bike-sharing program (photo 3) in Latin America — one of many attempts to improve the city’s environment and quality of life.

Coming up for air

Mexico City, Harvard alliance to study health changes after two decades of major environmental upgrades

World|

Date

Maria Dolores León Torres (left), at home with her family in the La Vista neighborhood of Chapala, Mexico. She and her son Juan de Dios, age 4 (center), were part of a Harvard study investigating suspected contamination in fish from Lake Chapala. “We haven’t ever gotten ill,” she said. Photos by Ned Brown/Harvard Staff

The mystery of the lake

Harvard researchers probed whether fish in Mexican area were contaminated — and were harming mothers, children

World|

Date