LAHORE, Pakistan (Thomson Reuters Foundation) - When black smoke from burning rice stubble in nearby India swept into Lahore - one of Pakistan's largest and wealthiest cities - earlier this month, outraged residents declared an "air apocalypse" and the provincial government shut down schools.
But even the city's own thick autumn smog - driven in large part by emissions from polluting vehicles - is becoming a significant threat to health and basic rights, residents and human rights groups warn.
