New Delhi could see artificial rain fall over the Indian capital for the first time later this week. The regional government is trialling a cloud-seeding experiment to induce artificial rain in a bid to bring the city's severe air pollution under control. New Delhi is regularly ranked among the world's most polluted capitals. Last week, after days of fireworks to celebrate Diwali, particulate matter levels rose to more than 56 times the safe limit. FRANCE 24's Environment Editor Valérie Dekimpe tells us more.