Australia environment minister Malcolm Turnbull is seriously considering banning the common traditionnal incandescent bulb in order to significantly reduces energy consumption and greenhouse gas emissions.
Even without a ban, you could also think about reducing your own personnal electricity bill by switching to low energy compact fluorescent lamps.
Source: BBC news.
The problem with the flourecent bulbs is the eco-fallout from the mercury in the bulbs at the end of life. When they die, we die. The mercury gas is deadly.
SO the only answer is LED lighting