>> it all seems like a pr stunt. the question comes back to what is the point? >> so this is a new government here in new delhi. they're trying to raise awareness. i have to say, john, from having lived in india for many years, people haven't always talked about pollution. it's only the last few months, maybe the last couple of years with the emergence of studies showing that have dehli is the most polluted city in the world, and many, many indian cities are very polluted, given all that data, that's starting a bit of a national discussion.

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