Union Environment Minister Bhupender Yadav on Monday stressed on the importance of participation of citizens in taking forward endeavours being undertaken to improve the country’s air quality. Speaking on day one of the two-day 'Interactive Dialogue Towards Clean Air' organised by Commission for Air Quality Management (CAQM) and the environment ministry in collaboration with Haryana, Punjab, Uttar Pradesh, Rajasthan and Delhi governments here, Yadav underscored the significance of ensuring clean air for all people.