The Hindu Explains | WHO updates emission recommendations

News Today (27.09.2021)

The WHO has updated global air pollution standards, a first since 2005. The update, in most instances, reduces the maximum permissible limits for several classes of pollutants from nitrous oxide to particulate matter (PM). This is to recognise the research in the last decade and a half that shows air pollution to be much more strongly linked to poor health than previously recognised. Since 1987, the world body has periodically issued health-based air quality guidelines to assist governments and civil society to reduce human exposure to air pollution and its adverse effects. (Read More)

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