A simple poster contest for high schoolers is waking teens–and in turn, their parents–up to air quality issues. “Our population is kind of apathetic or ambivalent about air pollution,” Stafford says.

The Tribune, now published from Chandigarh, started publication on February 2, 1881, in Lahore (now in Pakistan). It was started by Sardar Dyal Singh Majithia, a public-spirited philanthropist, and is ...