Smoke emitted from a passing truck and dust engulfs a vendor on the outskirts of New Delhi, India, Saturday, October 22, 2016. A smartphone application that allows citizens to report the presence of construction dust or the burning of leaves and garbage in public parks to authorities was launched Friday in the Indian capital. The “Hawa Badlo”, or “Change the Air”, app has two versions. One allows citizens to take pictures of likely pollutants. The other allows authorities to investigate and act on valid complaints. (Photo by Altaf Qadri/AP Photo)
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