According to the report, the World Health Organization (the public health arm of the United Nations) has estimated that 23 percent of deaths in the developing world can be attributed to environmental factors like pollution. Besides cancer, exposure to toxic chemicals can cause acute and chronic poisoning, cognitive impairment, organ damage and respiratory problems, the report said, adding that children are most vulnerable to these impacts.
Researchers said the 10 sites were chosen based on the severity of their health risk and prioritized by their value as examples of different kinds of pollution threats around world.
Here are the 10 sites listed in the report, in alphabetical order:
Citarum River, Indonesia:
Matanza Riachuelo, Argentina:
Niger River Delta, Nigeria: