Lighting the key to energy saving

Richard Black at the BBC:

_41575458_bulb_bbc_203lA global switch to efficient lighting systems would trim the world’s electricity bill by nearly one-tenth.

That is the conclusion of a study from the International Energy Agency (IEA), which it says is the first global survey of lighting uses and costs.

The carbon dioxide emissions saved by such a switch would, it concludes, dwarf cuts so far achieved by adopting wind and solar power.

More here.