How switching to smarter lighting can cut energy bills and boost your health

Lighting accounts for almost 8% of the world’s energy usage. It makes up around 10-20% of domestic energy bills, with an even higher proportion in commercial premises like offices.

But it still has huge potential for improvement. Technological changes and management of consumer behaviour can greatly reduce energy consumption without sacrificing comfort – and even improve health and wellbeing…

© La Conversation - mercredi 20 mai 2026