Solar Lights are about the same age as Leds. As the name implies, they harness the power of the sun to illuminate the Lights. When it's sunny, you installed a PV panel outside to harness solar effort. This energy is then transformed into usable electric power to drive the light. However, the resulting heat from which could usually radiate back into space gets trapped, warming the globe. That's what scientists to be able to as coffee. By reducing greenhouse or carbon emissions it really ...