Outdoor lights have a number of purposes. They increase thesafety at night by illuminating sidewalks and entries to buildings,the let people inside buildings see what is going on outdoors, andoutdoor lights make it possible to be active outside when it isdark out. Most cities and towns require outdoor streetlights,although in places where light pollution is an issue, people haveto light the outdoors using their own.Outdoor lights can use a lot of electricity, and people who wantto use their outdoor lights routinely often replace incandescentlight bulbs with the newer CFL or LED bulbs. These throw off amplelight to keep the outdoors safe and functional in the dark andreduce the amount of electricity that they use. These energy savingbulbs are available in many local and online stores, and b