The mounting system of your panels should be adapted to your area. If your home is often exposed to strong winds, earthquakes or even tornadoes, you need to find a mounting system that can withstand these extreme conditions. Contact your local government to find out more regarding regulations on solar panel mounts.
If you are concerned about your carbon footprint, you may want your home powered by solar energy. Since it gets its power from the sun, there is not much you can do to be greener than use solar energy. Reduce your carbon footprint by embracing solar energy.