The study considered only the health impact on adults and restricts itself to the effects of health-threatening fine particulate matter, often referred to as PM2.5, rather than all toxins that would be in the smoke from burning peatlands and forests. The bulk of the estimated deaths are in Indonesia, by far the most populous of the three countries and the country with the biggest land area affected by haze.
The fires from July to October last year in southern Sumatra and the Indonesian part of Borneo were the worst since 1997 and exacerbated by El Nino dry conditions. About 261,000 hectares of land burned. Some of the fires started accidently, but many were deliberately set by companies and villagers to clear land for plantations and agriculture.
Rajasekhar Bala, an environmental engineering expert at the National University of Singapore, one of five experts who reviewed the paper for The Associated Press and were not involved in the research, said the study is preliminary and involved a “very challenging” task of analyzing the sources and spread of fine particulate matter over several countries and a lengthy time frame.
Even with caveats, it should serve as a “wake-up call” for firm action in Indonesia to curb peatland and forest fires and for regional cooperation to deal with the fallout on public health, he said.
“Air pollution, especially that caused by atmospheric fine particles, has grave implications for human health,” he said.
The study considered only the health impact on adults and restricts itself to the effects of health-threatening fine particulate matter, often referred to as PM2.5, rather than all toxins that would be in the smoke from burning peatlands and forests. The bulk of the estimated deaths are in Indonesia, by far the most populous of the three countries and the country with the biggest land area affected by haze.The fires from July to October last year in southern Sumatra and the Indonesian part of Borneo were the worst since 1997 and exacerbated by El Nino dry conditions. About 261,000 hectares of land burned. Some of the fires started accidently, but many were deliberately set by companies and villagers to clear land for plantations and agriculture.Rajasekhar Bala, an environmental engineering expert at the National University of Singapore, one of five experts who reviewed the paper for The Associated Press and were not involved in the research, said the study is preliminary and involved a “very challenging” task of analyzing the sources and spread of fine particulate matter over several countries and a lengthy time frame.Even with caveats, it should serve as a “wake-up call” for firm action in Indonesia to curb peatland and forest fires and for regional cooperation to deal with the fallout on public health, he said.“Air pollution, especially that caused by atmospheric fine particles, has grave implications for human health,” he said.
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