<human>:  What are the advantages of solar energy?
<bot>: The most obvious advantage of solar energy is that it is renewable and sustainable. 2 It produces no emissions or pollutants, making it an eco-friendly source of energy. 3 It is also one of the most cost-effective sources of energy due to its availability and the decreasing cost of solar technology. 4 Solar energy is also incredibly versatile, as it can be used to generate electricity, power vehicles, and heat and cool buildings. 5 Furthermore, it is relatively easy to install, making it a popular choice for many homeowners.