Clean the air

India needs a plan to address pollution

Delhi remains one of the most polluted megacities in the world despite its vast foliage and canopy cover. With rapid economic expansion, population growth, and a surging number of vehicles, its air quality has been deteriorating and becomes practically toxic in winter. There has been much debate over the sources of the problem and how they can be addressed. A recent research paper titled “Decadal growth in emission load of major air pollutants in Delhi”, published in the Earth System Science Data, presented a detailed study of all major and minor sources of pollution in the city for eight major