Every citizen of this planet and every business have responsibility to make good use of the resources and save them for the next generation. Currently, majority of electricity is being produced from fossil fuel, however we all know that it is not going to last forever. We have to look for alternate sources of energy to ensure that we will save fossil fuel for the future, and stop polluting the planet with greenhouse gases. Alternate sources of energy such as solar, wind and geothermal can produce electricity with little operating cost once installation is complete. Continue reading to learn what solar energy is and how sun can be used to produce efficient electricity.