WHO says air pollution kills 7 mn a year, toughens guidelines
"WHO has adjusted almost all the air quality guideline levels downwards, warning that exceeding the new... levels is associated with significant risks to health,"
PREMIUM Health
The guidelines aim to protect people from the adverse effects of air pollution and are used by governments as a reference for legally-binding standards.
By NewVision Reporter
Journalists @NewVision
The World Health Organization strengthened its air quality guidelines on Wednesday, saying air pollution was now one of the biggest environmental threats to human health, causing seven million premature deaths