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The sun has produced energy for billions of years.   Solar energy is energy produced directly from the sun and can be converted into many other forms of energy. This energy drives the climate and weather and supports all of life on Earth. It sounds practical to use solar energy instead of other forms of energy used today because it has many advantages but it does have some indirect impacts on the environment as well.
Solar energy works by converting the sun's rays into electricity with the use of solar panels to supply power to the appliances used in our homes. It works by converting the sun's rays into heat for warming water and converts the sun's rays into hot air for heating buildings with the use of solar thermal collectors (Facts About Solar Energy).
Energy from the sun is practically free, solar energy does not require any fuel (Facts About Solar Energy).   It's not affected by the supply and demand of fuel and is therefore not subjected to the increasing price of gasoline. The savings are immediate and for many years to come.
Solar energy is environmentally friendly; it is clean, renewable and sustainable, helping to protect our environment.   It does not pollute our air by releasing carbon dioxide, nitrogen oxide, sulphur dioxide or mercury into the atmosphere like many traditional forms of electrical generation does (Facts About Solar Energy). Therefore, solar energy does not contribute to global warming, acid rain, or smog.   It actively contributes to the decrease of harmful green house gas emissions. By not using any fuel, solar energy does not contribute to the cost and problems of the recovery and transportation of fuel or the storage of radioactive waste (Facts About Solar Energy).