1) Current CFL bulbs have way less mercury than previous.
2) LED bulbs is the way to go, i'm watching the prices go down for the last year from 75$ to 30$ for a decent bulb.
3) I've checked all aspects of solar power to have electricity, and i am installing it in my new house. The system is fairly easy, and in the next weeks, government here will instantiate a nice law that will give me back 3 or 4 times the price for the electricity i produce through the solar cells, which will bring down to 5 years the 'amortization time' for the whole system...