Here's how Swara Bhaskar and Kalki Koechlin are 'clearing the air'

Kalki Koechlin and Swara Bhaskar

Swara Bhaskar, Vir Das, Vivek Oberoi, Kalki Koechlin and Govind Namdev have come together for an awareness video on air pollution.

Kalki Koechlin and Swara Bhaskar

Apart from highlighting its adverse effects, they are focussing on the worst affected - traffic cops - and gifting them masks to stay safe.