Just change your light bulbs, says Australian Prime Minister John Howard. In an effort to reduce his country’s carbon emissions (and to simplify his party’s environmental policy) Howard’s government will outlaw the antiquated incandescent light bulb by 2010. Australians will have to use more energy-efficient compact fluorescent bulbs, which are about five times more energy efficient and last much longer than standard bulbs.
Similar ideas have recently been suggested in California. Link