WHO says air pollution kills 7 million a year, toughens guidelines

WHO says air pollution kills 7 million a year, toughens guidelines Urgent action is needed to reduce exposure to air pollution, said the UN body, ranking its burden of disease on a par with smoking and unhealthy eating. "WHO has adjusted almost all the air quality guideline levels downwards, warning that exceeding the new... levels is associated with significant risks to health," it said. https://ift.tt/eA8V8J