FILE PHOTO: Chimneys of a coal-fired power plant are pictured in New Delhi

FILE PHOTO: Chimneys of a coal-fired power plant are pictured in New Delhi

FILE PHOTO: Chimneys of a coal-fired power plant are pictured in New Delhi, India, July 20, 2017. REUTERS/Adnan Abidi/File photo

January 10, 2018 9:40 PM (UTC+8)