With the national capital reeling under poor air quality putting human health at risk, Union Environment Minister Prakash Javadekar has announced a 'four-solution' program beginning 2020 to "reduce air pollution by 90 percent".

Speaking at a news channel recently, Javadekar said, "First of all, pollution generated by vehicles is prominent and as one of the recent efforts to reduce the damage, the government has invested Rs 7,000 crore to avail Bharat Standard 6 (BS6) petrol."