Despite the AQI crossing 500 every year, and the staggering reality that air pollution is responsible for 9% of all under-5 deaths, coal, which is a major contributor, has legal protections and exemptions for its use due to a legacy law written almost 70 years ago, in 1957.Coal accounts for 75% of India's power generation and production has grown by 35% in the last ten years. Yet one in...