Over the last few years, the world has been talking a lot about conserving energy. In an effort to prolong our environmental sources, continents everywhere are pushing for going green; particularly Europe. But what does going green entail and what is considered efficient energy use?When you look for alternatives to turning on your lights or using your air conditioner, you are successfully conserving energy. Take insulating a home; this simple process provides a comfortable living situation and reduces the amount of heating and cooling energy you will use. Granted, you still use your heating and cooling systems, but you feel the outside temperatures far less because your house is insulated.Perhaps a better example can be made using light sources. If your office lighting system uses incandescent light bulbs, you are using more light than you would with multiple skylights or fluorescent lighting. After-all, the later lightbulb lasts longer than an incandescent lighting system, and uses less energy, too.Alongside saving yourself some money, energy conservation is a sure-fire way of protecting the environment. Energy efficiency is seen as an essential solution to reducing greenhouse gas emission. It doesn’t take much to reduce your energy usage, but it certainly makes a big effect on the environment.