The powder within the flourescent bulbs (long office types) is hazardous. However compared to the nasty crap in the ballast that is required to run the flourescent bulbs it's not that bad.

I think the coming wave of gasoline prices will probably have some affect on reducing the CO2 emitted. My family for one will really have to curtail our travel. We already try to get the most out of every journey. It's rather hard with children though. They think the house has to be lit up like a Christmas tree. The boy is constantly turning up the heat. I'll whip them into shape.