NEW DELHI—Thousands of farmers are protesting in New Delhi, blocking the city’s streets. Among their demands is the repeal of an air quality management act that penalizes stubble burning, which happens to be a major cause of air pollution in India’s national capital region. The protests, the air pollution due to yearly massive burning of…

NEW DELHI—Farmers are protesting by the thousands in New Delhi, blocking the city’s streets to demand the repeal of an air quality management measure that, among other things, penalizes the burning of agricultural stubble, which is a major cause of air pollution in India’s national capital region. The protests over the pollution caused by the…