Conversation so far:
What is solar energy?
Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.
What are the main uses of solar energy?
Solar energy is used today in a number of ways:As heat for making hot water, heating buildings, and cooking.To generate electricity with solar cells or heat engines.To take the salt away from sea water.To use sun rays for drying clothes and towels.It is used by plants for the process of photosynthesis.

Question: Why is it important
Self-contained rewrite: Why is solar energy important?