Scientists express concern over impact of LED lights on plants and animals
LEDs made up just 9% of the global lighting market in 2011, but forecasts suggest they will account for 69% by 2020.
Feb 06, 2017, 23:30 PM IST
LEDs made up just 9% of the global lighting market in 2011, but forecasts suggest they will account for 69% by 2020.
Feb 06, 2017, 23:30 PM IST