Every time a conventional lightbulb is replaced with a LED (light-emitting diode) version, half the electricity will be used and therefore greenhouse gases will be cut in half.
Susan has been a finance journalist for more than 30 years, beginning at the Australian Financial Review before moving to the Sydney Morning Herald. She edited a superannuation magazine, Superfunds, for the Association of Superannuation Funds of Australia, and writes regularly on superannuation and managed funds. She's also author of the best-selling book Women and Money. |