New Delhi, Dec. 15 -- The Supreme Court on Monday said it will list for hearing on December 17 a plea concerning the deteriorating air pollution levels in Delhi-NCR.

A Bench comprising Chief Justice Surya Kant and Justices Joymalya Bagchi and Vipul M. Pamcholi took note of submissions made by senior advocate Aparajita Singh, assisting the Court as amicus curiae.

She submitted that while preventive measures and protocols are in place, the principal issue remains their poor implementation by the authorities.

Singh informed the Court that authorities tend to comply with existing protocols only after specific directions are issued by the Supreme Court.

Responding to the submissions, the Chief Justice said that the matter would come up befor...