The difficulties of living and breathing when the air outside is toxic.

Delhi was listed as India's most polluted city Thursday as a weeks-long air quality crisis gripping northern India has shown ...

Whatever the causes of the smog, by one ranking Delhi was not just the most polluted city in the world, but “nearly five ...

Farmer unions said they were accused of using tractors to break barricades and indulge in violence, so they have decided to ...

The court will consider on Monday whether to scale down restrictions under the Graded Response Action Plan (Grap) ...