Air purifiers, masks and staying indoors: How to reduce your risk from air pollution
Nearly the entire world is exposed to air at some point that doesn't meet the strict standards set by the World Health Organization. View on euronews ...
KSTP-TV7h
Nearly everyone in the world breathes bad air. This is what you can do to lower your risk
Most of the world's population is exposed to polluted air, and to those living in cities with chronically bad air, the smog ...