For a week in 2005, a choking, smog-like haze brought the central part of peninsular Malaysia to a standstill. Air quality was so poor that a state of emergency was declared in the district of Kuala Selangor and the country’s major shipping center, Port Klang. Residents were instructed to stay home, and schools were closed. Only supermarkets and essential services remained open. Miraculously, Kuala Lumpur’s main airport was unaffected. What was identified as the primary cause of the haze? Discuss
Source: The Free Dictionary