New Delhi |  In a fresh attempt to combat the national capital’s toxic air, the Delhi government has launched a clean-air innovation challenge that has already drawn 48 entries from across India. The initiative, led by Environment Minister Manjinder Singh Sirsa, seeks simple, affordable, and scalable solutions to reduce PM2.5 and PM10 emissions — two … Continue reading 48 ideas received; ₹50 lakh top prize announced to tackle Delhi’s pollution crisis