In honor of Earth Day, 2012, Philips released a 10-watt LED bulb that lights up a room with 83 percent more energy efficiency than a traditional 60-watt incandescent bulb. In fact, this new bulb is the most energy efficient light bulb available to consumers today. But with a hefty price of up to $50 per bulb this new eco-friendly bulb has consumers more concerned with saving their own green than with going green. We've spotlighted various light bubs in order to help shed some light on which is the right option for both you and the environment.