A worker wears a mask to protest from a haze blanketed the Singapore Central Business District, or CBD skyline in the background on Thursday, June 20, 2013. A smoky haze triggered by forest fires in ... more 
A worker wears a mask to protest from a haze blanketed the Singapore Central Business District, or CBD skyline in the background on Thursday, June 20, 2013. A smoky haze triggered by forest fires in neighboring Indonesia has caused air pollution to briefly hit its worst level in nearly 16 years in Singapore. (AP Photo/Joseph Nair) less 
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Associated Press | Photo By Joseph Nair
Thu, Jun 20, 2013 2:30 AM EDT