CNN.com - CNN Future Summit

Andrew Mccoy

Published Apr 11, 2026

CNN Future Summit's panel feature scientists and politicians working to minimize the impact of climate change.

"In a traditional bulb only 5-6 percent is converted into light, the rest is infrared radiation."

Professor Narendran, Director of Research Lighting Research Center, New York.

How many environmentalists does it take to change a light bulb?