The Delhi government launched a new drive to curb the problem of rising air pollution in the national capital on Thursday. "We are launching a campaign 'Red Light On, Gaadi Off' to tackle air pollution." The Delhi CM added: "There are one crore vehicles registered in Delhi. According to experts, even if 10 lakh vehicles turn off ignition at traffic signals, then 1.5 tonnes of PM10 will reduce in a year," Delhi CM Arvind Kejriwal said. For more, watch the full video.