Mexico City residents packed buses and subway cars and many walked or biked to work Wednesday, as authorities barred millions of vehicles from the streets due to a pollution alert.
Under new regulations imposed after the capital recently experienced its worst air-quality crisis in over a decade, the Phase 1 alert was declared when smog levels hit 1½ times acceptable limits on Tuesday.
Pollution levels were down somewhat Wednesday, but Martin Gutierrez, executive coordinator for the Environmental Commission of the Megalopolis, told Milenio TV that the alert would remain in place until at least 5 p.m. A dense . . .
