rice burn acreage was shown to have a small but statistically significant effect on asthma morbidity in Butte County

egyptian study on the black cloud: rice straw burning 42% vehicles exhaust 23% industrial emissions 23% .. mentions thermal inversion

pdf with photos from 2002 of rice straw burning fields in delta using modis

air pollution is responsible for an average of 3400 deaths each year in Cairo. Air pollution