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New Delhi will ban construction for six weeks in the country's capital, as part of a slew of measures announced on Sept. 28 to tackle the city’s air pollution. Vehicles are seen on a highway on a smoggy morning in New Delhi, India, Dec. 2, 2021 Delhi, a sprawling megacity of 30 million people, is regularly ranked among the world’s most polluted capitals due to a mix of emissions from power plants, heavy traffic, construction activity and the burning of crop stubble. The const