Vehicles are one of the biggest emitters of PM2.5 and other pollutants in Kathmandu. Photos: AMIT MACHAMASI t is that time of the year again when smog makes Kathmandu’s air hazardous to health. Hospitals are swamped not with Covid, but COPD (Chronic Obstructive Pulmonary Disease). Once more, there is a flurry of media headlines about the dangerous […]