Our Planet: Melting Ice: A Hot Topic - Climate Change and the Cryosphere

Nearly 130 years after Thomas Edison invented it, the world may be on the brink of saying ‘thank you, and goodnight’ to the incandescent electric light bulb. Australia has announced a ban; Cuba, Venezuela and the European Union are among those moving in the same direction. We should celebrate its demise, for the world’s billions of bulbs — only five per cent efficient at converting power into light — cause massive emissions of carbon dioxide.