92% of us are breathing unsafe air. This map shows just how bad the problem is https://t.co/CNePxMKZil pic.twitter.com/fH9OACJhSq— World Economic Forum (@wef) November 5, 2016
Where do you live ? What do you breathe ?
Which is the greenest, happiest country in the world? https://t.co/ZvuQzadjnu pic.twitter.com/frCt1SzCDF— World Economic Forum (@wef) November 5, 2016
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