Reuters: Poor people in Hong Kong have a higher risk of death when air pollution is bad, a seven-year study has found. “The finding is that people living in highly-deprived areas had higher risk of mortality after bad air pollution days,” Wong Chit-ming, an associate professor at the University of Hong Kong’s School of Public Health, said in an interview. “Most deaths occurred a day after the air pollution index showed a rise,” said Wong, one of the researchers in the study, which was …