AIR POLLUTION IN DELHI IMPROVED AFTER CNG WAS INTRODUCED INSTEAD OF DIESEL IN PUBLIC TRANSPORT SINCE CNG GIVES OUT LESS SMOKE.INTRODUCTION OF THE METRO IN DELHI IS ALSO EXPECTED TO REDUCE POLLUTION.HOW ?

√ The governments at different levels are the state government and the central government, represented by the chief minister and the Union petroleum minister respectively.

√ The Supreme Court has played an active role in upholding public interest by instructing authorities to take steps to curb pollution.

√ The action of the judiciary is an example of judicial activism and writ jurisdiction. The executive is concerned with the implementation of the directives of the judiciary.

√ The main policy issue in this case was the transition of public and commercial transport vehicles to a cleaner fuel of CNG. The government also sought to implement a dual fuel policy instead of a single fuel for the entire transportation system. The legislative aspect was the passage of law mandating the switching of all commercial vehicles to CNG and setting standards for the same. The debatable part was the interference of judiciary in directing this action. Failure to comply would have led to penalties. The Supreme Court interpreted the law to provide for a clean environment to the citizens of Delhi. Judicial activism pressurised the executive to implement them at the earliest. The issues related to implementation were norms for pollutants and the timeframe for converting the transport to CNG that was the domain of the executive.