Pollution and environmental risks are responsible for 1.7 million deaths of children below the age of five, according to two World Health Organization (WHO) reports released Monday.
The reports reveal that 570,000 of children’s deaths each year are attributed to respiratory infections, like pneumonia, caused by both indoor and outdoor air pollution, as well as second-hand smoke. Additionally, 270,000 children a year die in their first month from conditions due to air pollution and lack of sanitation, according to the WHO.
“A polluted environment is a deadly one — particularly for young children,” Dr. Margaret Chan, director-general of WHO, said in a press release. “Their developing organs and immune systems, and smaller bodies and airways, make them especially vulnerable to dirty air and water.”
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Chan has previously called pollution “one of the most pernicious threats” to health around the world — far greater than the threat of HIV/AIDS or Ebola, BBC reports.
In addition to the deaths, the WHO found that 11–14% of younger children worldwide report asthma symptoms and nearly half (an estimated 44%) of those cases result from the environmental factors.