Tag: smog
Smog Threatens Health – Is There a Way Out?
What exactly is smog? It is a state of the air in which polluting, often highly toxic substances, mix with water vapour. Such air usually becomes visi...
The Great Smog of London (1952)
On December 5, 1952, a thick and deadly fog descended upon London, marking one of the most catastrophic air pollution events in history. Known as The ...