City officials in the Bosnian capital Sarajevo have taken drastic steps to counter smog that's far above acceptable levels.
Clever entrepreneurs are now bottling and selling clean air to offset smog in big cities, as a souvenir, or to hospitals. Many have been astounded by their own success.
After a German court ruling on air pollution in Stuttgart, routine fixes for polluting diesel cars won't help carmakers avoid driving bans. The decision has massive consequences for the industry, says DW's Henrik Böhme.
In German "car city" Stuttgart, air pollution has reached harmful levels - again. Authorities are trying "soft" appeals to the public - but environmentalists blame Germany's strong car lobby for the smoggy air.
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