Delhi pollution at par with 1952 London smog
Pollution levels in Delhi are comparable to the infamous 1952 London smog that claimed 4,000 lives, according to Washington-based Worldwatch Institute. Similar levels also exist in Beijing and many
Pollution levels in Delhi are comparable to the infamous 1952 London smog that claimed 4,000 lives, according to Washington-based Worldwatch Institute. Similar levels also exist in Beijing and many