Answer:

Correct Answer: D

Solution:

• Graded Response To Air Pollution: A graded response highlights the actions required to be taken as and when the concentration of pollutants, in this case particulate matter, reaches a certain level. At the current level of pollution lying between poor and moderate, the measures that are to be enforced under the plan include strict ban on garbage burning, closing brick kilns, mechanised sweeping of roads, enforcing ban on fire-crackers among others. In this plan, odd- even car rationing scheme and halt on construction activities may be implemented across Delhi-NCR