About 17 judges, led by sessions judge H S Thakur, took part in a cycle rally as part of the initiative.
Thakur said it was duty of every citizen to keep the city clean. The city has become so polluted that drastic measures are needed, he said.
The cycle rally was taken out on streets of Old Gurgaon. Besides the judges, it was attended by Commissioner of Police Navdeep Singh Virk and JCP-Traffic Saurabh Singh.
School Principal Bhisham Bharadwaj said the school promotes alternative mode of transport.
The school has been urging its students and staff members to make use of alternative means of transport like walking and cycling.
To encourage more and more people to join the initiative, DCP-Traffic Singh said three best schools, corporates and individuals would be felicitated on January 26 on the occasion of Republic Day.