New Delhi, Nov. 25 -- A heartfelt post on Reddit by a doctor under the username thatwitchdoctor has sounded the alarm on the worsening air-quality situation in the national capital, and it deserves every bit of your attention. The doctor writes:

"I go out, looking at people, so careless . breathing in the poison without realising what it's doing to them. Being a doctor, and seeing young children playing and teenagers so happily roaming on the street like nothing's wrong, it's scary. Please start wearing N95 mask. Please do it. You are otherwise killing yourself with each breath you take. Remember Chernobyl? No one wanted to accept the reality because it was scary. We are living in a Chernobyl right now."

The urgency in the doctor's tone...