Could breathing become a luxury? Cities in the US are being hit with their worst air quality in recorded history as wildfires in Canada send smog billowing across the sky. Get used to it, say experts — the era of clean air is over.
America suffocates as smoke darkens the sky
Emergent emergency: The WHO refers to dirty air as “the world’s largest environmental health risk". Glossary
Dystopian - Relating to an imagined society where there is great suffering or injustice.
Bilious - Sickening.
Delhi - The capital of India. By some estimates, Delhi is the second-largest city in the world.
Charles Dickens - The Victorian novelist is credited with inventing Christmas as we know it today through the warm descriptions of it in his books.
Cardiac - Relating to the heart.
Dementia - A syndrome associated with memory loss and other declining brain functions.
Smog - A kind of toxic fog caused by high levels of air pollution.