Every year, farmers in Indonesia clear large swaths of forest by setting deliberate slash-and-burn fires, sending clouds of smoke into the atmosphere, choking neighbors, including Malaysia and Singapore. This season has been the harshest in years -- in Singapore yesterday, the Pollutant Standards Index (PSI) rose to the highest level on record, reaching 371, prompting government officials to warn residents to stay indoors, and urging the Indonesian government to take action. Indonesia accused Singapore of acting "like a child", and warned it to stay out of domestic affairs. Singapore's Prime Minister Lee Hsien Loong said the haze could persist for weeks or longer, as the two nations prepare for emergency talks to ease the crisis.
Singapore Haze
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A woman wears a mask as the Singapore Central Business District is covered with haze Thursday evening, June 20, 2013. Singapore urged people to remain indoors amid unprecedented levels of air pollution Thursday as a smoky haze wrought by forest fires in neighboring Indonesia worsened dramatically. #
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Part of Singapore, shrouded by haze on June 20, 2013. Singapore demanded "definitive" action by Indonesia on forest fires raging in Sumatra as the two neighbors prepared for emergency talks to ease the severe smog enveloping the city-state. #
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A man looks at a fire as it burns through a peatland forest in Rumbai Pesisir, Riau province, Indonesia, on June 20, 2013. Smog fueled by forest fires in Indonesia has caused Singapore's main measure for air pollution to surge to an all-time high and breached a "hazardous" classification that can aggravate respiratory ailments. Nearby Malaysia closed 200 schools and banned open burning in some areas. #
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This aerial photograph taken on June 17, 2013 shows smoke billowing from fires in areas surrounded by agricultural plantations in the area of Rokan Hilir town in Bengkalis Regency of Riau province, on Indonesia's Sumatra island, about 280 kilometers (173 miles) west of Singapore. #
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Office workers cover their mouths and noses while others wear masks as they cross a road on June 20, 2013. Singapore urged people to remain indoors amid unprecedented levels of air pollution Thursday as a smoky haze wrought by forest fires in neighboring Indonesia worsened dramatically. #
AP Photo/Joseph Nair -
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