COLOMBO — On certain days, Colombo’s skyline is barely visible. This is due to a thick haze that envelops Sri Lanka’s commercial capital, resulting in low air quality conditions. The fouled air is making people tear and cough more without knowing what causes such irritation. Santhanam Mary has been a municipal worker for 13 years. … Continue reading As Sri Lankans choke on bad air, authorities cite transboundary pollution