RT @WHO: 9 out of 10 people breathe polluted air, which kills 7 MILLION people every year. 😷😷😷😷😷😷😀😷😷😷 These are

RT @WHO: 9 out of 10 people breathe polluted air, which kills 7 MILLION people every year.
😷😷😷😷😷😷😀😷😷😷

These are 10 things you must know a…