A mother gives a drink to her son as she prepares to leave her house with her children, after a forest fire spread close to their home near Dumai, as haze covers Indonesia's Riau province in this June... more 
A mother gives a drink to her son as she prepares to leave her house with her children, after a forest fire spread close to their home near Dumai, as haze covers Indonesia's Riau province in this June 20, 2013 file photograph. Indonesia's complex rules on land use and the difficulty in prosecuting foreign businesses mean Singapore has its work cut out bringing companies to book under its new cross-border air pollution law, which was approved by parliament on August 5, 2014. To match SINGAPORE-HAZE/ REUTERS/Beawiharta/Files (INDONESIA - Tags: ENVIRONMENT DISASTER) less 
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Reuters | Photo By BEAWIHARTA / REUTERS
Wed, Aug 6, 2014 9:25 AM EDT