“In 1952 in London, the onset of a severe air pollution event that is referred to as the Great Smog, caused an estimated 12,000 deaths. In recent memory, there has been one other event when a major global economic and political centre has been blanketed with thick smog as a result of cold weather, an atmospheric temperature inversion, and an array of pollutants emitted from various sources. This happened in Delhi after Diwali last year, and continued in the subsequent weeks.”
Read it on Despite the evidence, India’s environment minister underplays the health effects of air pollution